diff options
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r-- | drivers/platform/x86/Kconfig | 41 | ||||
-rw-r--r-- | drivers/platform/x86/Makefile | 1 | ||||
-rw-r--r-- | drivers/platform/x86/acer-wmi.c | 3 | ||||
-rw-r--r-- | drivers/platform/x86/acerhdf.c | 68 | ||||
-rw-r--r-- | drivers/platform/x86/asus_acpi.c | 321 | ||||
-rw-r--r-- | drivers/platform/x86/classmate-laptop.c | 609 | ||||
-rw-r--r-- | drivers/platform/x86/dell-wmi.c | 52 | ||||
-rw-r--r-- | drivers/platform/x86/eeepc-laptop.c | 298 | ||||
-rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 8 | ||||
-rw-r--r-- | drivers/platform/x86/hp-wmi.c | 18 | ||||
-rw-r--r-- | drivers/platform/x86/msi-wmi.c | 19 | ||||
-rw-r--r-- | drivers/platform/x86/sony-laptop.c | 97 | ||||
-rw-r--r-- | drivers/platform/x86/tc1100-wmi.c | 115 | ||||
-rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 59 | ||||
-rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 259 | ||||
-rw-r--r-- | drivers/platform/x86/wmi.c | 40 |
16 files changed, 1463 insertions, 545 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index fc5bf9d2a3f3..f526e735c5ab 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -231,8 +231,36 @@ config THINKPAD_ACPI This driver was formerly known as ibm-acpi. + Extra functionality will be available if the rfkill (CONFIG_RFKILL) + and/or ALSA (CONFIG_SND) subsystems are available in the kernel. + Note that if you want ThinkPad-ACPI to be built-in instead of + modular, ALSA and rfkill will also have to be built-in. + If you have an IBM or Lenovo ThinkPad laptop, say Y or M here. +config THINKPAD_ACPI_ALSA_SUPPORT + bool "Console audio control ALSA interface" + depends on THINKPAD_ACPI + depends on SND + depends on SND = y || THINKPAD_ACPI = SND + default y + ---help--- + Enables monitoring of the built-in console audio output control + (headphone and speakers), which is operated by the mute and (in + some ThinkPad models) volume hotkeys. + + If this option is enabled, ThinkPad-ACPI will export an ALSA card + with a single read-only mixer control, which should be used for + on-screen-display feedback purposes by the Desktop Environment. + + Optionally, the driver will also allow software control (the + ALSA mixer will be made read-write). Please refer to the driver + documentation for details. + + All IBM models have both volume and mute control. Newer Lenovo + models only have mute control (the volume hotkeys are just normal + keys and volume control is done through the main HDA mixer). + config THINKPAD_ACPI_DEBUGFACILITIES bool "Maintainer debug facilities" depends on THINKPAD_ACPI @@ -336,6 +364,7 @@ config EEEPC_LAPTOP select HWMON select LEDS_CLASS select NEW_LEDS + select INPUT_SPARSEKMAP ---help--- This driver supports the Fn-Fx keys on Eee PC laptops. @@ -464,4 +493,16 @@ config TOSHIBA_BT_RFKILL If you have a modern Toshiba laptop with a Bluetooth and an RFKill switch (such as the Portege R500), say Y. + +config ACPI_CMPC + tristate "CMPC Laptop Extras" + depends on X86 && ACPI + select INPUT + select BACKLIGHT_CLASS_DEVICE + default n + help + Support for Intel Classmate PC ACPI devices, including some + keys as input device, backlight device, tablet and accelerometer + devices. + endif # X86_PLATFORM_DEVICES diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index b7474b6a8bf1..9cd9fa0a27e6 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o +obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o obj-$(CONFIG_DELL_WMI) += dell-wmi.o diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 454970d2d701..07d14dfdf0b4 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -96,9 +96,6 @@ struct acer_quirks { MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"); -/* Temporary workaround until the WMI sysfs interface goes in */ -MODULE_ALIAS("dmi:*:*Acer*:*:"); - /* * Interface capability flags */ diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c index 79b15b9d9cf0..7b2384d674d0 100644 --- a/drivers/platform/x86/acerhdf.c +++ b/drivers/platform/x86/acerhdf.c @@ -52,7 +52,7 @@ */ #undef START_IN_KERNEL_MODE -#define DRV_VER "0.5.20" +#define DRV_VER "0.5.22" /* * According to the Atom N270 datasheet, @@ -156,19 +156,25 @@ static const struct bios_settings_t bios_tbl[] = { {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x20, 0x00} }, /* Acer 1410 */ {"Acer", "Aspire 1410", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, - /* special BIOS / other */ + {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, + /* Acer 1810xx */ + {"Acer", "Aspire 1810TZ", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, + {"Acer", "Aspire 1810T", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, + {"Acer", "Aspire 1810T", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, + {"Acer", "Aspire 1810TZ", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, + /* Gateway */ {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x21, 0x00} }, {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x20, 0x00} }, - {"Gateway ", "LT31 ", "v1.3103 ", 0x55, 0x58, - {0x10, 0x0f, 0x00} }, - {"Gateway ", "LT31 ", "v1.3201 ", 0x55, 0x58, - {0x10, 0x0f, 0x00} }, - {"Gateway ", "LT31 ", "v1.3302 ", 0x55, 0x58, - {0x10, 0x0f, 0x00} }, + {"Gateway", "LT31", "v1.3103", 0x55, 0x58, {0x10, 0x0f, 0x00} }, + {"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x10, 0x0f, 0x00} }, + {"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x10, 0x0f, 0x00} }, + /* Packard Bell */ {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x21, 0x00} }, {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x20, 0x00} }, {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x21, 0x00} }, {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x20, 0x00} }, + {"Packard Bell", "DOTMU", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, + {"Packard Bell", "DOTMU", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} }, /* pewpew-terminator */ {"", "", "", 0, 0, {0, 0, 0} } }; @@ -486,13 +492,26 @@ static struct platform_driver acerhdf_driver = { .remove = acerhdf_remove, }; +/* checks if str begins with start */ +static int str_starts_with(const char *str, const char *start) +{ + unsigned long str_len = 0, start_len = 0; + + str_len = strlen(str); + start_len = strlen(start); + + if (str_len >= start_len && + !strncmp(str, start, start_len)) + return 1; + + return 0; +} /* check hardware */ static int acerhdf_check_hardware(void) { char const *vendor, *version, *product; - int i; - unsigned long prod_len = 0; + const struct bios_settings_t *bt = NULL; /* get BIOS data */ vendor = dmi_get_system_info(DMI_SYS_VENDOR); @@ -514,20 +533,20 @@ static int acerhdf_check_hardware(void) kernelmode = 0; } - prod_len = strlen(product); - if (verbose) pr_info("BIOS info: %s %s, product: %s\n", vendor, version, product); /* search BIOS version and vendor in BIOS settings table */ - for (i = 0; bios_tbl[i].version[0]; i++) { - if (strlen(bios_tbl[i].product) >= prod_len && - !strncmp(bios_tbl[i].product, product, - strlen(bios_tbl[i].product)) && - !strcmp(bios_tbl[i].vendor, vendor) && - !strcmp(bios_tbl[i].version, version)) { - bios_cfg = &bios_tbl[i]; + for (bt = bios_tbl; bt->vendor[0]; bt++) { + /* + * check if actual hardware BIOS vendor, product and version + * IDs start with the strings of BIOS table entry + */ + if (str_starts_with(vendor, bt->vendor) && + str_starts_with(product, bt->product) && + str_starts_with(version, bt->version)) { + bios_cfg = bt; break; } } @@ -640,9 +659,14 @@ static void __exit acerhdf_exit(void) MODULE_LICENSE("GPL"); MODULE_AUTHOR("Peter Feuerer"); MODULE_DESCRIPTION("Aspire One temperature and fan driver"); -MODULE_ALIAS("dmi:*:*Acer*:*:"); -MODULE_ALIAS("dmi:*:*Gateway*:*:"); -MODULE_ALIAS("dmi:*:*Packard Bell*:*:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAspire 1410*:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAspire 1810*:"); +MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:"); +MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:"); +MODULE_ALIAS("dmi:*:*Packard Bell*:pnAOA*:"); +MODULE_ALIAS("dmi:*:*Packard Bell*:pnDOA*:"); +MODULE_ALIAS("dmi:*:*Packard Bell*:pnDOTMU*:"); module_init(acerhdf_init); module_exit(acerhdf_exit); diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index 0c9c53111a22..c1d2aeeea948 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -35,6 +35,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/backlight.h> #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> @@ -513,26 +514,12 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val) return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER); } -/* - * We write our info in page, we begin at offset off and cannot write more - * than count bytes. We set eof to 1 if we handle those 2 values. We return the - * number of bytes written in page - */ -static int -proc_read_info(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int asus_info_proc_show(struct seq_file *m, void *v) { - int len = 0; int temp; - char buf[16]; /* enough for all info */ - /* - * We use the easy way, we don't care of off and count, - * so we don't set eof to 1 - */ - len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n"); - len += sprintf(page + len, "Model reference : %s\n", - hotk->methods->name); + seq_printf(m, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n"); + seq_printf(m, "Model reference : %s\n", hotk->methods->name); /* * The SFUN method probably allows the original driver to get the list * of features supported by a given model. For now, 0x0100 or 0x0800 @@ -540,8 +527,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, * The significance of others is yet to be found. */ if (read_acpi_int(hotk->handle, "SFUN", &temp)) - len += - sprintf(page + len, "SFUN value : 0x%04x\n", temp); + seq_printf(m, "SFUN value : 0x%04x\n", temp); /* * Another value for userspace: the ASYM method returns 0x02 for * battery low and 0x04 for battery critical, its readings tend to be @@ -550,30 +536,34 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, * silently ignored. */ if (read_acpi_int(hotk->handle, "ASYM", &temp)) - len += - sprintf(page + len, "ASYM value : 0x%04x\n", temp); + seq_printf(m, "ASYM value : 0x%04x\n", temp); if (asus_info) { - snprintf(buf, 16, "%d", asus_info->length); - len += sprintf(page + len, "DSDT length : %s\n", buf); - snprintf(buf, 16, "%d", asus_info->checksum); - len += sprintf(page + len, "DSDT checksum : %s\n", buf); - snprintf(buf, 16, "%d", asus_info->revision); - len += sprintf(page + len, "DSDT revision : %s\n", buf); - snprintf(buf, 7, "%s", asus_info->oem_id); - len += sprintf(page + len, "OEM id : %s\n", buf); - snprintf(buf, 9, "%s", asus_info->oem_table_id); - len += sprintf(page + len, "OEM table id : %s\n", buf); - snprintf(buf, 16, "%x", asus_info->oem_revision); - len += sprintf(page + len, "OEM revision : 0x%s\n", buf); - snprintf(buf, 5, "%s", asus_info->asl_compiler_id); - len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); - snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); - len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); + seq_printf(m, "DSDT length : %d\n", asus_info->length); + seq_printf(m, "DSDT checksum : %d\n", asus_info->checksum); + seq_printf(m, "DSDT revision : %d\n", asus_info->revision); + seq_printf(m, "OEM id : %.*s\n", ACPI_OEM_ID_SIZE, asus_info->oem_id); + seq_printf(m, "OEM table id : %.*s\n", ACPI_OEM_TABLE_ID_SIZE, asus_info->oem_table_id); + seq_printf(m, "OEM revision : 0x%x\n", asus_info->oem_revision); + seq_printf(m, "ASL comp vendor id : %.*s\n", ACPI_NAME_SIZE, asus_info->asl_compiler_id); + seq_printf(m, "ASL comp revision : 0x%x\n", asus_info->asl_compiler_revision); } - return len; + return 0; +} + +static int asus_info_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, asus_info_proc_show, NULL); } +static const struct file_operations asus_info_proc_fops = { + .owner = THIS_MODULE, + .open = asus_info_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + /* * /proc handlers * We write our info in page, we begin at offset off and cannot write more @@ -639,34 +629,48 @@ write_led(const char __user *buffer, unsigned long count, /* * Proc handlers for MLED */ -static int -proc_read_mled(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int mled_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "%d\n", - read_led(hotk->methods->mled_status, MLED_ON)); + seq_printf(m, "%d\n", read_led(hotk->methods->mled_status, MLED_ON)); + return 0; } -static int -proc_write_mled(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int mled_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, mled_proc_show, NULL); +} + +static ssize_t mled_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1); } +static const struct file_operations mled_proc_fops = { + .owner = THIS_MODULE, + .open = mled_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = mled_proc_write, +}; + /* * Proc handlers for LED display */ -static int -proc_read_ledd(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int ledd_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "0x%08x\n", hotk->ledd_status); + seq_printf(m, "0x%08x\n", hotk->ledd_status); + return 0; } -static int -proc_write_ledd(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int ledd_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, ledd_proc_show, NULL); +} + +static ssize_t ledd_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { int rv, value; @@ -682,61 +686,104 @@ proc_write_ledd(struct file *file, const char __user *buffer, return rv; } +static const struct file_operations ledd_proc_fops = { + .owner = THIS_MODULE, + .open = ledd_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = ledd_proc_write, +}; + /* * Proc handlers for WLED */ -static int -proc_read_wled(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int wled_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "%d\n", - read_led(hotk->methods->wled_status, WLED_ON)); + seq_printf(m, "%d\n", read_led(hotk->methods->wled_status, WLED_ON)); + return 0; } -static int -proc_write_wled(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int wled_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, wled_proc_show, NULL); +} + +static ssize_t wled_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0); } +static const struct file_operations wled_proc_fops = { + .owner = THIS_MODULE, + .open = wled_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = wled_proc_write, +}; + /* * Proc handlers for Bluetooth */ -static int -proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int bluetooth_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "%d\n", read_led(hotk->methods->bt_status, BT_ON)); + seq_printf(m, "%d\n", read_led(hotk->methods->bt_status, BT_ON)); + return 0; } -static int -proc_write_bluetooth(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int bluetooth_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, bluetooth_proc_show, NULL); +} + +static ssize_t bluetooth_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { /* Note: mt_bt_switch controls both internal Bluetooth adapter's presence and its LED */ return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0); } +static const struct file_operations bluetooth_proc_fops = { + .owner = THIS_MODULE, + .open = bluetooth_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = bluetooth_proc_write, +}; + /* * Proc handlers for TLED */ -static int -proc_read_tled(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int tled_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "%d\n", - read_led(hotk->methods->tled_status, TLED_ON)); + seq_printf(m, "%d\n", read_led(hotk->methods->tled_status, TLED_ON)); + return 0; } -static int -proc_write_tled(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int tled_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, tled_proc_show, NULL); +} + +static ssize_t tled_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0); } +static const struct file_operations tled_proc_fops = { + .owner = THIS_MODULE, + .open = tled_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = tled_proc_write, +}; + static int get_lcd_state(void) { int lcd = 0; @@ -829,16 +876,19 @@ static int set_lcd_state(int value) } -static int -proc_read_lcd(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int lcd_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "%d\n", get_lcd_state()); + seq_printf(m, "%d\n", get_lcd_state()); + return 0; } -static int -proc_write_lcd(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int lcd_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, lcd_proc_show, NULL); +} + +static ssize_t lcd_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { int rv, value; @@ -848,6 +898,15 @@ proc_write_lcd(struct file *file, const char __user *buffer, return rv; } +static const struct file_operations lcd_proc_fops = { + .owner = THIS_MODULE, + .open = lcd_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = lcd_proc_write, +}; + static int read_brightness(struct backlight_device *bd) { int value; @@ -907,16 +966,19 @@ static int set_brightness_status(struct backlight_device *bd) return set_brightness(bd->props.brightness); } -static int -proc_read_brn(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int brn_proc_show(struct seq_file *m, void *v) { - return sprintf(page, "%d\n", read_brightness(NULL)); + seq_printf(m, "%d\n", read_brightness(NULL)); + return 0; } -static int -proc_write_brn(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int brn_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, brn_proc_show, NULL); +} + +static ssize_t brn_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { int rv, value; @@ -929,6 +991,15 @@ proc_write_brn(struct file *file, const char __user *buffer, return rv; } +static const struct file_operations brn_proc_fops = { + .owner = THIS_MODULE, + .open = brn_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = brn_proc_write, +}; + static void set_display(int value) { /* no sanity check needed for now */ @@ -942,9 +1013,7 @@ static void set_display(int value) * Now, *this* one could be more user-friendly, but so far, no-one has * complained. The significance of bits is the same as in proc_write_disp() */ -static int -proc_read_disp(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int disp_proc_show(struct seq_file *m, void *v) { int value = 0; @@ -952,7 +1021,13 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof, printk(KERN_WARNING "Asus ACPI: Error reading display status\n"); value &= 0x07; /* needed for some models, shouldn't hurt others */ - return sprintf(page, "%d\n", value); + seq_printf(m, "%d\n", value); + return 0; +} + +static int disp_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, disp_proc_show, NULL); } /* @@ -961,9 +1036,8 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof, * (bitwise) of these will suffice. I never actually tested 3 displays hooked * up simultaneously, so be warned. See the acpi4asus README for more info. */ -static int -proc_write_disp(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static ssize_t disp_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { int rv, value; @@ -973,25 +1047,27 @@ proc_write_disp(struct file *file, const char __user *buffer, return rv; } -typedef int (proc_readfunc) (char *page, char **start, off_t off, int count, - int *eof, void *data); -typedef int (proc_writefunc) (struct file *file, const char __user *buffer, - unsigned long count, void *data); +static const struct file_operations disp_proc_fops = { + .owner = THIS_MODULE, + .open = disp_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = disp_proc_write, +}; static int -asus_proc_add(char *name, proc_writefunc *writefunc, - proc_readfunc *readfunc, mode_t mode, +asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode, struct acpi_device *device) { - struct proc_dir_entry *proc = - create_proc_entry(name, mode, acpi_device_dir(device)); + struct proc_dir_entry *proc; + + proc = proc_create_data(name, mode, acpi_device_dir(device), + proc_fops, acpi_driver_data(device)); if (!proc) { printk(KERN_WARNING " Unable to create %s fs entry\n", name); return -1; } - proc->write_proc = writefunc; - proc->read_proc = readfunc; - proc->data = acpi_driver_data(device); proc->uid = asus_uid; proc->gid = asus_gid; return 0; @@ -1020,10 +1096,9 @@ static int asus_hotk_add_fs(struct acpi_device *device) if (!acpi_device_dir(device)) return -ENODEV; - proc = create_proc_entry(PROC_INFO, mode, acpi_device_dir(device)); + proc = proc_create(PROC_INFO, mode, acpi_device_dir(device), + &asus_info_proc_fops); if (proc) { - proc->read_proc = proc_read_info; - proc->data = acpi_driver_data(device); proc->uid = asus_uid; proc->gid = asus_gid; } else { @@ -1032,28 +1107,23 @@ static int asus_hotk_add_fs(struct acpi_device *device) } if (hotk->methods->mt_wled) { - asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled, - mode, device); + asus_proc_add(PROC_WLED, &wled_proc_fops, mode, device); } if (hotk->methods->mt_ledd) { - asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd, - mode, device); + asus_proc_add(PROC_LEDD, &ledd_proc_fops, mode, device); } if (hotk->methods->mt_mled) { - asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled, - mode, device); + asus_proc_add(PROC_MLED, &mled_proc_fops, mode, device); } if (hotk->methods->mt_tled) { - asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled, - mode, device); + asus_proc_add(PROC_TLED, &tled_proc_fops, mode, device); } if (hotk->methods->mt_bt_switch) { - asus_proc_add(PROC_BT, &proc_write_bluetooth, - &proc_read_bluetooth, mode, device); + asus_proc_add(PROC_BT, &bluetooth_proc_fops, mode, device); } /* @@ -1061,19 +1131,16 @@ static int asus_hotk_add_fs(struct acpi_device *device) * accessible from the keyboard */ if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) { - asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode, - device); + asus_proc_add(PROC_LCD, &lcd_proc_fops, mode, device); } if ((hotk->methods->brightness_up && hotk->methods->brightness_down) || (hotk->methods->brightness_get && hotk->methods->brightness_set)) { - asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode, - device); + asus_proc_add(PROC_BRN, &brn_proc_fops, mode, device); } if (hotk->methods->display_set) { - asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp, - mode, device); + asus_proc_add(PROC_DISP, &disp_proc_fops, mode, device); } return 0; diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c new file mode 100644 index 000000000000..ed90082cdf1d --- /dev/null +++ b/drivers/platform/x86/classmate-laptop.c @@ -0,0 +1,609 @@ +/* + * Copyright (C) 2009 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/workqueue.h> +#include <acpi/acpi_drivers.h> +#include <linux/backlight.h> +#include <linux/input.h> + +MODULE_LICENSE("GPL"); + + +struct cmpc_accel { + int sensitivity; +}; + +#define CMPC_ACCEL_SENSITIVITY_DEFAULT 5 + + +/* + * Generic input device code. + */ + +typedef void (*input_device_init)(struct input_dev *dev); + +static int cmpc_add_acpi_notify_device(struct acpi_device *acpi, char *name, + input_device_init idev_init) +{ + struct input_dev *inputdev; + int error; + + inputdev = input_allocate_device(); + if (!inputdev) + return -ENOMEM; + inputdev->name = name; + inputdev->dev.parent = &acpi->dev; + idev_init(inputdev); + error = input_register_device(inputdev); + if (error) { + input_free_device(inputdev); + return error; + } + dev_set_drvdata(&acpi->dev, inputdev); + return 0; +} + +static int cmpc_remove_acpi_notify_device(struct acpi_device *acpi) +{ + struct input_dev *inputdev = dev_get_drvdata(&acpi->dev); + input_unregister_device(inputdev); + return 0; +} + +/* + * Accelerometer code. + */ +static acpi_status cmpc_start_accel(acpi_handle handle) +{ + union acpi_object param[2]; + struct acpi_object_list input; + acpi_status status; + + param[0].type = ACPI_TYPE_INTEGER; + param[0].integer.value = 0x3; + param[1].type = ACPI_TYPE_INTEGER; + input.count = 2; + input.pointer = param; + status = acpi_evaluate_object(handle, "ACMD", &input, NULL); + return status; +} + +static acpi_status cmpc_stop_accel(acpi_handle handle) +{ + union acpi_object param[2]; + struct acpi_object_list input; + acpi_status status; + + param[0].type = ACPI_TYPE_INTEGER; + param[0].integer.value = 0x4; + param[1].type = ACPI_TYPE_INTEGER; + input.count = 2; + input.pointer = param; + status = acpi_evaluate_object(handle, "ACMD", &input, NULL); + return status; +} + +static acpi_status cmpc_accel_set_sensitivity(acpi_handle handle, int val) +{ + union acpi_object param[2]; + struct acpi_object_list input; + + param[0].type = ACPI_TYPE_INTEGER; + param[0].integer.value = 0x02; + param[1].type = ACPI_TYPE_INTEGER; + param[1].integer.value = val; + input.count = 2; + input.pointer = param; + return acpi_evaluate_object(handle, "ACMD", &input, NULL); +} + +static acpi_status cmpc_get_accel(acpi_handle handle, + unsigned char *x, + unsigned char *y, + unsigned char *z) +{ + union acpi_object param[2]; + struct acpi_object_list input; + struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, 0 }; + unsigned char *locs; + acpi_status status; + + param[0].type = ACPI_TYPE_INTEGER; + param[0].integer.value = 0x01; + param[1].type = ACPI_TYPE_INTEGER; + input.count = 2; + input.pointer = param; + status = acpi_evaluate_object(handle, "ACMD", &input, &output); + if (ACPI_SUCCESS(status)) { + union acpi_object *obj; + obj = output.pointer; + locs = obj->buffer.pointer; + *x = locs[0]; + *y = locs[1]; + *z = locs[2]; + kfree(output.pointer); + } + return status; +} + +static void cmpc_accel_handler(struct acpi_device *dev, u32 event) +{ + if (event == 0x81) { + unsigned char x, y, z; + acpi_status status; + + status = cmpc_get_accel(dev->handle, &x, &y, &z); + if (ACPI_SUCCESS(status)) { + struct input_dev *inputdev = dev_get_drvdata(&dev->dev); + + input_report_abs(inputdev, ABS_X, x); + input_report_abs(inputdev, ABS_Y, y); + input_report_abs(inputdev, ABS_Z, z); + input_sync(inputdev); + } + } +} + +static ssize_t cmpc_accel_sensitivity_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct acpi_device *acpi; + struct input_dev *inputdev; + struct cmpc_accel *accel; + + acpi = to_acpi_device(dev); + inputdev = dev_get_drvdata(&acpi->dev); + accel = dev_get_drvdata(&inputdev->dev); + + return sprintf(buf, "%d\n", accel->sensitivity); +} + +static ssize_t cmpc_accel_sensitivity_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct acpi_device *acpi; + struct input_dev *inputdev; + struct cmpc_accel *accel; + unsigned long sensitivity; + int r; + + acpi = to_acpi_device(dev); + inputdev = dev_get_drvdata(&acpi->dev); + accel = dev_get_drvdata(&inputdev->dev); + + r = strict_strtoul(buf, 0, &sensitivity); + if (r) + return r; + + accel->sensitivity = sensitivity; + cmpc_accel_set_sensitivity(acpi->handle, sensitivity); + + return strnlen(buf, count); +} + +struct device_attribute cmpc_accel_sensitivity_attr = { + .attr = { .name = "sensitivity", .mode = 0660 }, + .show = cmpc_accel_sensitivity_show, + .store = cmpc_accel_sensitivity_store +}; + +static int cmpc_accel_open(struct input_dev *input) +{ + struct acpi_device *acpi; + + acpi = to_acpi_device(input->dev.parent); + if (ACPI_SUCCESS(cmpc_start_accel(acpi->handle))) + return 0; + return -EIO; +} + +static void cmpc_accel_close(struct input_dev *input) +{ + struct acpi_device *acpi; + + acpi = to_acpi_device(input->dev.parent); + cmpc_stop_accel(acpi->handle); +} + +static void cmpc_accel_idev_init(struct input_dev *inputdev) +{ + set_bit(EV_ABS, inputdev->evbit); + input_set_abs_params(inputdev, ABS_X, 0, 255, 8, 0); + input_set_abs_params(inputdev, ABS_Y, 0, 255, 8, 0); + input_set_abs_params(inputdev, ABS_Z, 0, 255, 8, 0); + inputdev->open = cmpc_accel_open; + inputdev->close = cmpc_accel_close; +} + +static int cmpc_accel_add(struct acpi_device *acpi) +{ + int error; + struct input_dev *inputdev; + struct cmpc_accel *accel; + + accel = kmalloc(sizeof(*accel), GFP_KERNEL); + if (!accel) + return -ENOMEM; + + accel->sensitivity = CMPC_ACCEL_SENSITIVITY_DEFAULT; + cmpc_accel_set_sensitivity(acpi->handle, accel->sensitivity); + + error = device_create_file(&acpi->dev, &cmpc_accel_sensitivity_attr); + if (error) + goto failed_file; + + error = cmpc_add_acpi_notify_device(acpi, "cmpc_accel", + cmpc_accel_idev_init); + if (error) + goto failed_input; + + inputdev = dev_get_drvdata(&acpi->dev); + dev_set_drvdata(&inputdev->dev, accel); + + return 0; + +failed_input: + device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr); +failed_file: + kfree(accel); + return error; +} + +static int cmpc_accel_remove(struct acpi_device *acpi, int type) +{ + struct input_dev *inputdev; + struct cmpc_accel *accel; + + inputdev = dev_get_drvdata(&acpi->dev); + accel = dev_get_drvdata(&inputdev->dev); + + device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr); + return cmpc_remove_acpi_notify_device(acpi); +} + +static const struct acpi_device_id cmpc_accel_device_ids[] = { + {"ACCE0000", 0}, + {"", 0} +}; +MODULE_DEVICE_TABLE(acpi, cmpc_accel_device_ids); + +static struct acpi_driver cmpc_accel_acpi_driver = { + .owner = THIS_MODULE, + .name = "cmpc_accel", + .class = "cmpc_accel", + .ids = cmpc_accel_device_ids, + .ops = { + .add = cmpc_accel_add, + .remove = cmpc_accel_remove, + .notify = cmpc_accel_handler, + } +}; + + +/* + * Tablet mode code. + */ +static acpi_status cmpc_get_tablet(acpi_handle handle, + unsigned long long *value) +{ + union acpi_object param; + struct acpi_object_list input; + unsigned long long output; + acpi_status status; + + param.type = ACPI_TYPE_INTEGER; + param.integer.value = 0x01; + input.count = 1; + input.pointer = ¶m; + status = acpi_evaluate_integer(handle, "TCMD", &input, &output); + if (ACPI_SUCCESS(status)) + *value = output; + return status; +} + +static void cmpc_tablet_handler(struct acpi_device *dev, u32 event) +{ + unsigned long long val = 0; + struct input_dev *inputdev = dev_get_drvdata(&dev->dev); + + if (event == 0x81) { + if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val))) + input_report_switch(inputdev, SW_TABLET_MODE, !val); + } +} + +static void cmpc_tablet_idev_init(struct input_dev *inputdev) +{ + unsigned long long val = 0; + struct acpi_device *acpi; + + set_bit(EV_SW, inputdev->evbit); + set_bit(SW_TABLET_MODE, inputdev->swbit); + + acpi = to_acpi_device(inputdev->dev.parent); + if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) + input_report_switch(inputdev, SW_TABLET_MODE, !val); +} + +static int cmpc_tablet_add(struct acpi_device *acpi) +{ + return cmpc_add_acpi_notify_device(acpi, "cmpc_tablet", + cmpc_tablet_idev_init); +} + +static int cmpc_tablet_remove(struct acpi_device *acpi, int type) +{ + return cmpc_remove_acpi_notify_device(acpi); +} + +static int cmpc_tablet_resume(struct acpi_device *acpi) +{ + struct input_dev *inputdev = dev_get_drvdata(&acpi->dev); + unsigned long long val = 0; + if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) + input_report_switch(inputdev, SW_TABLET_MODE, !val); + return 0; +} + +static const struct acpi_device_id cmpc_tablet_device_ids[] = { + {"TBLT0000", 0}, + {"", 0} +}; +MODULE_DEVICE_TABLE(acpi, cmpc_tablet_device_ids); + +static struct acpi_driver cmpc_tablet_acpi_driver = { + .owner = THIS_MODULE, + .name = "cmpc_tablet", + .class = "cmpc_tablet", + .ids = cmpc_tablet_device_ids, + .ops = { + .add = cmpc_tablet_add, + .remove = cmpc_tablet_remove, + .resume = cmpc_tablet_resume, + .notify = cmpc_tablet_handler, + } +}; + + +/* + * Backlight code. + */ + +static acpi_status cmpc_get_brightness(acpi_handle handle, + unsigned long long *value) +{ + union acpi_object param; + struct acpi_object_list input; + unsigned long long output; + acpi_status status; + + param.type = ACPI_TYPE_INTEGER; + param.integer.value = 0xC0; + input.count = 1; + input.pointer = ¶m; + status = acpi_evaluate_integer(handle, "GRDI", &input, &output); + if (ACPI_SUCCESS(status)) + *value = output; + return status; +} + +static acpi_status cmpc_set_brightness(acpi_handle handle, + unsigned long long value) +{ + union acpi_object param[2]; + struct acpi_object_list input; + acpi_status status; + unsigned long long output; + + param[0].type = ACPI_TYPE_INTEGER; + param[0].integer.value = 0xC0; + param[1].type = ACPI_TYPE_INTEGER; + param[1].integer.value = value; + input.count = 2; + input.pointer = param; + status = acpi_evaluate_integer(handle, "GWRI", &input, &output); + return status; +} + +static int cmpc_bl_get_brightness(struct backlight_device *bd) +{ + acpi_status status; + acpi_handle handle; + unsigned long long brightness; + + handle = bl_get_data(bd); + status = cmpc_get_brightness(handle, &brightness); + if (ACPI_SUCCESS(status)) + return brightness; + else + return -1; +} + +static int cmpc_bl_update_status(struct backlight_device *bd) +{ + acpi_status status; + acpi_handle handle; + + handle = bl_get_data(bd); + status = cmpc_set_brightness(handle, bd->props.brightness); + if (ACPI_SUCCESS(status)) + return 0; + else + return -1; +} + +static struct backlight_ops cmpc_bl_ops = { + .get_brightness = cmpc_bl_get_brightness, + .update_status = cmpc_bl_update_status +}; + +static int cmpc_bl_add(struct acpi_device *acpi) +{ + struct backlight_device *bd; + + bd = backlight_device_register("cmpc_bl", &acpi->dev, + acpi->handle, &cmpc_bl_ops); + bd->props.max_brightness = 7; + dev_set_drvdata(&acpi->dev, bd); + return 0; +} + +static int cmpc_bl_remove(struct acpi_device *acpi, int type) +{ + struct backlight_device *bd; + + bd = dev_get_drvdata(&acpi->dev); + backlight_device_unregister(bd); + return 0; +} + +static const struct acpi_device_id cmpc_device_ids[] = { + {"IPML200", 0}, + {"", 0} +}; +MODULE_DEVICE_TABLE(acpi, cmpc_device_ids); + +static struct acpi_driver cmpc_bl_acpi_driver = { + .owner = THIS_MODULE, + .name = "cmpc", + .class = "cmpc", + .ids = cmpc_device_ids, + .ops = { + .add = cmpc_bl_add, + .remove = cmpc_bl_remove + } +}; + + +/* + * Extra keys code. + */ +static int cmpc_keys_codes[] = { + KEY_UNKNOWN, + KEY_WLAN, + KEY_SWITCHVIDEOMODE, + KEY_BRIGHTNESSDOWN, + KEY_BRIGHTNESSUP, + KEY_VENDOR, + KEY_MAX +}; + +static void cmpc_keys_handler(struct acpi_device *dev, u32 event) +{ + struct input_dev *inputdev; + int code = KEY_MAX; + + if ((event & 0x0F) < ARRAY_SIZE(cmpc_keys_codes)) + code = cmpc_keys_codes[event & 0x0F]; + inputdev = dev_get_drvdata(&dev->dev);; + input_report_key(inputdev, code, !(event & 0x10)); +} + +static void cmpc_keys_idev_init(struct input_dev *inputdev) +{ + int i; + + set_bit(EV_KEY, inputdev->evbit); + for (i = 0; cmpc_keys_codes[i] != KEY_MAX; i++) + set_bit(cmpc_keys_codes[i], inputdev->keybit); +} + +static int cmpc_keys_add(struct acpi_device *acpi) +{ + return cmpc_add_acpi_notify_device(acpi, "cmpc_keys", + cmpc_keys_idev_init); +} + +static int cmpc_keys_remove(struct acpi_device *acpi, int type) +{ + return cmpc_remove_acpi_notify_device(acpi); +} + +static const struct acpi_device_id cmpc_keys_device_ids[] = { + {"FnBT0000", 0}, + {"", 0} +}; +MODULE_DEVICE_TABLE(acpi, cmpc_keys_device_ids); + +static struct acpi_driver cmpc_keys_acpi_driver = { + .owner = THIS_MODULE, + .name = "cmpc_keys", + .class = "cmpc_keys", + .ids = cmpc_keys_device_ids, + .ops = { + .add = cmpc_keys_add, + .remove = cmpc_keys_remove, + .notify = cmpc_keys_handler, + } +}; + + +/* + * General init/exit code. + */ + +static int cmpc_init(void) +{ + int r; + + r = acpi_bus_register_driver(&cmpc_keys_acpi_driver); + if (r) + goto failed_keys; + + r = acpi_bus_register_driver(&cmpc_bl_acpi_driver); + if (r) + goto failed_bl; + + r = acpi_bus_register_driver(&cmpc_tablet_acpi_driver); + if (r) + goto failed_tablet; + + r = acpi_bus_register_driver(&cmpc_accel_acpi_driver); + if (r) + goto failed_accel; + + return r; + +failed_accel: + acpi_bus_unregister_driver(&cmpc_tablet_acpi_driver); + +failed_tablet: + acpi_bus_unregister_driver(&cmpc_bl_acpi_driver); + +failed_bl: + acpi_bus_unregister_driver(&cmpc_keys_acpi_driver); + +failed_keys: + return r; +} + +static void cmpc_exit(void) +{ + acpi_bus_unregister_driver(&cmpc_accel_acpi_driver); + acpi_bus_unregister_driver(&cmpc_tablet_acpi_driver); + acpi_bus_unregister_driver(&cmpc_bl_acpi_driver); + acpi_bus_unregister_driver(&cmpc_keys_acpi_driver); +} + +module_init(cmpc_init); +module_exit(cmpc_exit); diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 67f3fe71c509..1b1dddbd5744 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -202,8 +202,13 @@ static void dell_wmi_notify(u32 value, void *context) struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; static struct key_entry *key; union acpi_object *obj; + acpi_status status; - wmi_get_event_data(value, &response); + status = wmi_get_event_data(value, &response); + if (status != AE_OK) { + printk(KERN_INFO "dell-wmi: bad event status 0x%x\n", status); + return; + } obj = (union acpi_object *)response.pointer; @@ -238,6 +243,7 @@ static void dell_wmi_notify(u32 value, void *context) input_sync(dell_wmi_input_dev); } } + kfree(obj); } @@ -322,39 +328,37 @@ static int __init dell_wmi_input_setup(void) static int __init dell_wmi_init(void) { int err; + acpi_status status; - if (wmi_has_guid(DELL_EVENT_GUID)) { - - dmi_walk(find_hk_type, NULL); - - err = dell_wmi_input_setup(); - - if (err) - return err; + if (!wmi_has_guid(DELL_EVENT_GUID)) { + printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n"); + return -ENODEV; + } - err = wmi_install_notify_handler(DELL_EVENT_GUID, - dell_wmi_notify, NULL); - if (err) { - input_unregister_device(dell_wmi_input_dev); - printk(KERN_ERR "dell-wmi: Unable to register" - " notify handler - %d\n", err); - return err; - } + dmi_walk(find_hk_type, NULL); + acpi_video = acpi_video_backlight_support(); - acpi_video = acpi_video_backlight_support(); + err = dell_wmi_input_setup(); + if (err) + return err; - } else - printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n"); + status = wmi_install_notify_handler(DELL_EVENT_GUID, + dell_wmi_notify, NULL); + if (ACPI_FAILURE(status)) { + input_unregister_device(dell_wmi_input_dev); + printk(KERN_ERR + "dell-wmi: Unable to register notify handler - %d\n", + status); + return -ENODEV; + } return 0; } static void __exit dell_wmi_exit(void) { - if (wmi_has_guid(DELL_EVENT_GUID)) { - wmi_remove_notify_handler(DELL_EVENT_GUID); - input_unregister_device(dell_wmi_input_dev); - } + wmi_remove_notify_handler(DELL_EVENT_GUID); + input_unregister_device(dell_wmi_input_dev); } module_init(dell_wmi_init); diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 5838c69b2fb3..e2be6bb33d92 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -31,10 +31,12 @@ #include <acpi/acpi_bus.h> #include <linux/uaccess.h> #include <linux/input.h> +#include <linux/input/sparse-keymap.h> #include <linux/rfkill.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> #include <linux/leds.h> +#include <linux/dmi.h> #define EEEPC_LAPTOP_VERSION "0.1" #define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver" @@ -48,6 +50,14 @@ MODULE_AUTHOR("Corentin Chary, Eric Cooper"); MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME); MODULE_LICENSE("GPL"); +static bool hotplug_disabled; + +module_param(hotplug_disabled, bool, 0644); +MODULE_PARM_DESC(hotplug_disabled, + "Disable hotplug for wireless device. " + "If your laptop need that, please report to " + "acpi4asus-user@lists.sourceforge.net."); + /* * Definitions for Asus EeePC */ @@ -120,38 +130,28 @@ static const char *cm_setv[] = { NULL, NULL, "PBPS", "TPDS" }; -struct key_entry { - char type; - u8 code; - u16 keycode; -}; - -enum { KE_KEY, KE_END }; - static const struct key_entry eeepc_keymap[] = { - /* Sleep already handled via generic ACPI code */ - {KE_KEY, 0x10, KEY_WLAN }, - {KE_KEY, 0x11, KEY_WLAN }, - {KE_KEY, 0x12, KEY_PROG1 }, - {KE_KEY, 0x13, KEY_MUTE }, - {KE_KEY, 0x14, KEY_VOLUMEDOWN }, - {KE_KEY, 0x15, KEY_VOLUMEUP }, - {KE_KEY, 0x16, KEY_DISPLAY_OFF }, - {KE_KEY, 0x1a, KEY_COFFEE }, - {KE_KEY, 0x1b, KEY_ZOOM }, - {KE_KEY, 0x1c, KEY_PROG2 }, - {KE_KEY, 0x1d, KEY_PROG3 }, - {KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN }, - {KE_KEY, NOTIFY_BRN_MAX, KEY_BRIGHTNESSUP }, - {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, - {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, - {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, - {KE_KEY, 0x37, KEY_F13 }, /* Disable Touchpad */ - {KE_KEY, 0x38, KEY_F14 }, - {KE_END, 0}, + { KE_KEY, 0x10, { KEY_WLAN } }, + { KE_KEY, 0x11, { KEY_WLAN } }, + { KE_KEY, 0x12, { KEY_PROG1 } }, + { KE_KEY, 0x13, { KEY_MUTE } }, + { KE_KEY, 0x14, { KEY_VOLUMEDOWN } }, + { KE_KEY, 0x15, { KEY_VOLUMEUP } }, + { KE_KEY, 0x16, { KEY_DISPLAY_OFF } }, + { KE_KEY, 0x1a, { KEY_COFFEE } }, + { KE_KEY, 0x1b, { KEY_ZOOM } }, + { KE_KEY, 0x1c, { KEY_PROG2 } }, + { KE_KEY, 0x1d, { KEY_PROG3 } }, + { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } }, + { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } }, + { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */ + { KE_KEY, 0x38, { KEY_F14 } }, + { KE_END, 0 }, }; - /* * This is the main structure, we can use it to store useful information */ @@ -159,6 +159,8 @@ struct eeepc_laptop { acpi_handle handle; /* the handle of the acpi device */ u32 cm_supported; /* the control methods supported by this BIOS */ + bool cpufv_disabled; + bool hotplug_disabled; u16 event_count[128]; /* count for each event */ struct platform_device *platform_device; @@ -378,6 +380,8 @@ static ssize_t store_cpufv(struct device *dev, struct eeepc_cpufv c; int rv, value; + if (eeepc->cpufv_disabled) + return -EPERM; if (get_cpufv(eeepc, &c)) return -ENODEV; rv = parse_arg(buf, count, &value); @@ -389,6 +393,41 @@ static ssize_t store_cpufv(struct device *dev, return rv; } +static ssize_t show_cpufv_disabled(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct eeepc_laptop *eeepc = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", eeepc->cpufv_disabled); +} + +static ssize_t store_cpufv_disabled(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct eeepc_laptop *eeepc = dev_get_drvdata(dev); + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv < 0) + return rv; + + switch (value) { + case 0: + if (eeepc->cpufv_disabled) + pr_warning("cpufv enabled (not officially supported " + "on this model)\n"); + eeepc->cpufv_disabled = false; + return rv; + case 1: + return -EPERM; + default: + return -EINVAL; + } +} + + static struct device_attribute dev_attr_cpufv = { .attr = { .name = "cpufv", @@ -404,12 +443,22 @@ static struct device_attribute dev_attr_available_cpufv = { .show = show_available_cpufv }; +static struct device_attribute dev_attr_cpufv_disabled = { + .attr = { + .name = "cpufv_disabled", + .mode = 0644 }, + .show = show_cpufv_disabled, + .store = store_cpufv_disabled +}; + + static struct attribute *platform_attributes[] = { &dev_attr_camera.attr, &dev_attr_cardr.attr, &dev_attr_disp.attr, &dev_attr_cpufv.attr, &dev_attr_available_cpufv.attr, + &dev_attr_cpufv_disabled.attr, NULL }; @@ -796,6 +845,9 @@ static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) if (result && result != -ENODEV) goto exit; + if (eeepc->hotplug_disabled) + return 0; + result = eeepc_setup_pci_hotplug(eeepc); /* * If we get -EBUSY then something else is handling the PCI hotplug - @@ -1090,120 +1142,42 @@ static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) /* * Input device (i.e. hotkeys) */ -static struct key_entry *eeepc_get_entry_by_scancode( - struct eeepc_laptop *eeepc, - int code) +static int eeepc_input_init(struct eeepc_laptop *eeepc) { - struct key_entry *key; + struct input_dev *input; + int error; - for (key = eeepc->keymap; key->type != KE_END; key++) - if (code == key->code) - return key; - - return NULL; -} - -static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) -{ - static struct key_entry *key; - - key = eeepc_get_entry_by_scancode(eeepc, event); - if (key) { - switch (key->type) { - case KE_KEY: - input_report_key(eeepc->inputdev, key->keycode, - 1); - input_sync(eeepc->inputdev); - input_report_key(eeepc->inputdev, key->keycode, - 0); - input_sync(eeepc->inputdev); - break; - } + input = input_allocate_device(); + if (!input) { + pr_info("Unable to allocate input device\n"); + return -ENOMEM; } -} - -static struct key_entry *eeepc_get_entry_by_keycode( - struct eeepc_laptop *eeepc, int code) -{ - struct key_entry *key; - - for (key = eeepc->keymap; key->type != KE_END; key++) - if (code == key->keycode && key->type == KE_KEY) - return key; - return NULL; -} + input->name = "Asus EeePC extra buttons"; + input->phys = EEEPC_LAPTOP_FILE "/input0"; + input->id.bustype = BUS_HOST; + input->dev.parent = &eeepc->platform_device->dev; -static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode) -{ - struct eeepc_laptop *eeepc = input_get_drvdata(dev); - struct key_entry *key = eeepc_get_entry_by_scancode(eeepc, scancode); - - if (key && key->type == KE_KEY) { - *keycode = key->keycode; - return 0; + error = sparse_keymap_setup(input, eeepc_keymap, NULL); + if (error) { + pr_err("Unable to setup input device keymap\n"); + goto err_free_dev; } - return -EINVAL; -} - -static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode) -{ - struct eeepc_laptop *eeepc = input_get_drvdata(dev); - struct key_entry *key; - int old_keycode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - - key = eeepc_get_entry_by_scancode(eeepc, scancode); - if (key && key->type == KE_KEY) { - old_keycode = key->keycode; - key->keycode = keycode; - set_bit(keycode, dev->keybit); - if (!eeepc_get_entry_by_keycode(eeepc, old_keycode)) - clear_bit(old_keycode, dev->keybit); - return 0; + error = input_register_device(input); + if (error) { + pr_err("Unable to register input device\n"); + goto err_free_keymap; } - return -EINVAL; -} - -static int eeepc_input_init(struct eeepc_laptop *eeepc) -{ - const struct key_entry *key; - int result; - - eeepc->inputdev = input_allocate_device(); - if (!eeepc->inputdev) { - pr_info("Unable to allocate input device\n"); - return -ENOMEM; - } - eeepc->inputdev->name = "Asus EeePC extra buttons"; - eeepc->inputdev->dev.parent = &eeepc->platform_device->dev; - eeepc->inputdev->phys = EEEPC_LAPTOP_FILE "/input0"; - eeepc->inputdev->id.bustype = BUS_HOST; - eeepc->inputdev->getkeycode = eeepc_getkeycode; - eeepc->inputdev->setkeycode = eeepc_setkeycode; - input_set_drvdata(eeepc->inputdev, eeepc); - - eeepc->keymap = kmemdup(eeepc_keymap, sizeof(eeepc_keymap), - GFP_KERNEL); - for (key = eeepc_keymap; key->type != KE_END; key++) { - switch (key->type) { - case KE_KEY: - set_bit(EV_KEY, eeepc->inputdev->evbit); - set_bit(key->keycode, eeepc->inputdev->keybit); - break; - } - } - result = input_register_device(eeepc->inputdev); - if (result) { - pr_info("Unable to register input device\n"); - input_free_device(eeepc->inputdev); - return result; - } + eeepc->inputdev = input; return 0; + + err_free_keymap: + sparse_keymap_free(input); + err_free_dev: + input_free_device(input); + return error; } static void eeepc_input_exit(struct eeepc_laptop *eeepc) @@ -1253,11 +1227,59 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event) * event will be desired value (or else ignored) */ } - eeepc_input_notify(eeepc, event); + sparse_keymap_report_event(eeepc->inputdev, event, + 1, true); } } else { /* Everything else is a bona-fide keypress event */ - eeepc_input_notify(eeepc, event); + sparse_keymap_report_event(eeepc->inputdev, event, 1, true); + } +} + +static void eeepc_dmi_check(struct eeepc_laptop *eeepc) +{ + const char *model; + + model = dmi_get_system_info(DMI_PRODUCT_NAME); + if (!model) + return; + + /* + * Blacklist for setting cpufv (cpu speed). + * + * EeePC 4G ("701") implements CFVS, but it is not supported + * by the pre-installed OS, and the original option to change it + * in the BIOS setup screen was removed in later versions. + * + * Judging by the lack of "Super Hybrid Engine" on Asus product pages, + * this applies to all "701" models (4G/4G Surf/2G Surf). + * + * So Asus made a deliberate decision not to support it on this model. + * We have several reports that using it can cause the system to hang + * + * The hang has also been reported on a "702" (Model name "8G"?). + * + * We avoid dmi_check_system() / dmi_match(), because they use + * substring matching. We don't want to affect the "701SD" + * and "701SDX" models, because they do support S.H.E. + */ + if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { + eeepc->cpufv_disabled = true; + pr_info("model %s does not officially support setting cpu " + "speed\n", model); + pr_info("cpufv disabled to avoid instability\n"); + } + + /* + * Blacklist for wlan hotplug + * + * Eeepc 1005HA doesn't work like others models and don't need the + * hotplug code. In fact, current hotplug code seems to unplug another + * device... + */ + if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0) { + eeepc->hotplug_disabled = true; + pr_info("wlan hotplug disabled\n"); } } @@ -1342,6 +1364,10 @@ static int __devinit eeepc_acpi_add(struct acpi_device *device) strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS); device->driver_data = eeepc; + eeepc->hotplug_disabled = hotplug_disabled; + + eeepc_dmi_check(eeepc); + result = eeepc_acpi_init(eeepc, device); if (result) goto fail_platform; @@ -1452,10 +1478,12 @@ static int __init eeepc_laptop_init(void) result = acpi_bus_register_driver(&eeepc_acpi_driver); if (result < 0) goto fail_acpi_driver; + if (!eeepc_device_present) { result = -ENODEV; goto fail_no_device; } + return 0; fail_no_device: diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index b66029bd75d0..5f3320d468f6 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -376,8 +376,8 @@ static int get_lcd_level(void) status = acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state); - if (status < 0) - return status; + if (ACPI_FAILURE(status)) + return 0; fujitsu->brightness_level = state & 0x0fffffff; @@ -398,8 +398,8 @@ static int get_max_brightness(void) status = acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state); - if (status < 0) - return status; + if (ACPI_FAILURE(status)) + return -1; fujitsu->max_brightness = state; diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 63c3e658a884..ad4c414dbfbc 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -134,10 +134,15 @@ static int hp_wmi_perform_query(int query, int write, int value) obj = output.pointer; - if (!obj || obj->type != ACPI_TYPE_BUFFER) + if (!obj) return -EINVAL; + else if (obj->type != ACPI_TYPE_BUFFER) { + kfree(obj); + return -EINVAL; + } bios_return = *((struct bios_return *)obj->buffer.pointer); + kfree(obj); if (bios_return.return_code > 0) return bios_return.return_code * -1; else @@ -333,17 +338,24 @@ static void hp_wmi_notify(u32 value, void *context) static struct key_entry *key; union acpi_object *obj; int eventcode; + acpi_status status; - wmi_get_event_data(value, &response); + status = wmi_get_event_data(value, &response); + if (status != AE_OK) { + printk(KERN_INFO "hp-wmi: bad event status 0x%x\n", status); + return; + } obj = (union acpi_object *)response.pointer; if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) { printk(KERN_INFO "HP WMI: Unknown response received\n"); + kfree(obj); return; } eventcode = *((u8 *) obj->buffer.pointer); + kfree(obj); if (eventcode == 0x4) eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, 0); @@ -572,7 +584,7 @@ static int __init hp_wmi_init(void) if (wmi_has_guid(HPWMI_EVENT_GUID)) { err = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL); - if (!err) + if (ACPI_SUCCESS(err)) hp_wmi_input_setup(); } diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index 0c8fe145c4af..f5f70d4c6913 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -34,16 +34,6 @@ MODULE_LICENSE("GPL"); MODULE_ALIAS("wmi:551A1F84-FBDD-4125-91DB-3EA8F44F1D45"); MODULE_ALIAS("wmi:B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2"); -/* Temporary workaround until the WMI sysfs interface goes in - { "svn", DMI_SYS_VENDOR }, - { "pn", DMI_PRODUCT_NAME }, - { "pvr", DMI_PRODUCT_VERSION }, - { "rvn", DMI_BOARD_VENDOR }, - { "rn", DMI_BOARD_NAME }, -*/ - -MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-6638:*"); - #define DRV_NAME "msi-wmi" #define DRV_PFX DRV_NAME ": " @@ -159,8 +149,13 @@ static void msi_wmi_notify(u32 value, void *context) static struct key_entry *key; union acpi_object *obj; ktime_t cur; + acpi_status status; - wmi_get_event_data(value, &response); + status = wmi_get_event_data(value, &response); + if (status != AE_OK) { + printk(KERN_INFO DRV_PFX "bad event status 0x%x\n", status); + return; + } obj = (union acpi_object *)response.pointer; @@ -246,7 +241,7 @@ static int __init msi_wmi_init(void) } err = wmi_install_notify_handler(MSIWMI_EVENT_GUID, msi_wmi_notify, NULL); - if (err) + if (ACPI_FAILURE(err)) return -EINVAL; err = msi_wmi_input_setup(); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 2896ca4cd9ab..3f71a605a492 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -131,6 +131,7 @@ enum sony_nc_rfkill { N_SONY_RFKILL, }; +static int sony_rfkill_handle; static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; static void sony_nc_rfkill_update(void); @@ -232,6 +233,7 @@ static int sony_laptop_input_index[] = { 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ + 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ }; static int sony_laptop_input_keycode_map[] = { @@ -293,6 +295,7 @@ static int sony_laptop_input_keycode_map[] = { KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ + KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ }; /* release buttons after a short delay if pressed */ @@ -890,6 +893,8 @@ static struct sony_nc_event sony_100_events[] = { { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, + { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, + { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0, 0 }, }; @@ -961,7 +966,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) else sony_laptop_report_input_event(ev); } - } else if (sony_find_snc_handle(0x124) == ev) { + } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) { sony_nc_rfkill_update(); return; } @@ -1067,7 +1072,7 @@ static int sony_nc_rfkill_set(void *data, bool blocked) if (!blocked) argument |= 0xff0000; - return sony_call_snc_handle(0x124, argument, &result); + return sony_call_snc_handle(sony_rfkill_handle, argument, &result); } static const struct rfkill_ops sony_rfkill_ops = { @@ -1110,7 +1115,7 @@ static int sony_nc_setup_rfkill(struct acpi_device *device, if (!rfk) return -ENOMEM; - sony_call_snc_handle(0x124, 0x200, &result); + sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); hwblock = !(result & 0x1); rfkill_set_hw_state(rfk, hwblock); @@ -1129,7 +1134,7 @@ static void sony_nc_rfkill_update() int result; bool hwblock; - sony_call_snc_handle(0x124, 0x200, &result); + sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); hwblock = !(result & 0x1); for (i = 0; i < N_SONY_RFKILL; i++) { @@ -1145,36 +1150,82 @@ static void sony_nc_rfkill_update() continue; } - sony_call_snc_handle(0x124, argument, &result); + sony_call_snc_handle(sony_rfkill_handle, argument, &result); rfkill_set_states(sony_rfkill_devices[i], !(result & 0xf), false); } } -static int sony_nc_rfkill_setup(struct acpi_device *device) +static void sony_nc_rfkill_setup(struct acpi_device *device) { - int result, ret; + int offset; + u8 dev_code, i; + acpi_status status; + struct acpi_object_list params; + union acpi_object in_obj; + union acpi_object *device_enum; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - if (sony_find_snc_handle(0x124) == -1) - return -1; + offset = sony_find_snc_handle(0x124); + if (offset == -1) { + offset = sony_find_snc_handle(0x135); + if (offset == -1) + return; + else + sony_rfkill_handle = 0x135; + } else + sony_rfkill_handle = 0x124; + dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle); - ret = sony_call_snc_handle(0x124, 0xb00, &result); - if (ret) { - printk(KERN_INFO DRV_PFX - "Unable to enumerate rfkill devices: %x\n", ret); - return ret; + /* need to read the whole buffer returned by the acpi call to SN06 + * here otherwise we may miss some features + */ + params.count = 1; + params.pointer = &in_obj; + in_obj.type = ACPI_TYPE_INTEGER; + in_obj.integer.value = offset; + status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms, + &buffer); + if (ACPI_FAILURE(status)) { + dprintk("Radio device enumeration failed\n"); + return; } - if (result & 0x1) - sony_nc_setup_rfkill(device, SONY_WIFI); - if (result & 0x2) - sony_nc_setup_rfkill(device, SONY_BLUETOOTH); - if (result & 0x1c) - sony_nc_setup_rfkill(device, SONY_WWAN); - if (result & 0x20) - sony_nc_setup_rfkill(device, SONY_WIMAX); + device_enum = (union acpi_object *) buffer.pointer; + if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) { + printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n", + device_enum->type); + goto out_no_enum; + } - return 0; + /* the buffer is filled with magic numbers describing the devices + * available, 0xff terminates the enumeration + */ + for (i = 0; i < device_enum->buffer.length; i++) { + + dev_code = *(device_enum->buffer.pointer + i); + if (dev_code == 0xff) + break; + + dprintk("Radio devices, looking at 0x%.2x\n", dev_code); + + if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI]) + sony_nc_setup_rfkill(device, SONY_WIFI); + + if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) + sony_nc_setup_rfkill(device, SONY_BLUETOOTH); + + if ((0xf0 & dev_code) == 0x20 && + !sony_rfkill_devices[SONY_WWAN]) + sony_nc_setup_rfkill(device, SONY_WWAN); + + if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) + sony_nc_setup_rfkill(device, SONY_WIMAX); + } + +out_no_enum: + kfree(buffer.pointer); + return; } static int sony_nc_add(struct acpi_device *device) diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c index 44166003d4ef..dd33b51c3486 100644 --- a/drivers/platform/x86/tc1100-wmi.c +++ b/drivers/platform/x86/tc1100-wmi.c @@ -47,22 +47,6 @@ MODULE_DESCRIPTION("HP Compaq TC1100 Tablet WMI Extras"); MODULE_LICENSE("GPL"); MODULE_ALIAS("wmi:C364AC71-36DB-495A-8494-B439D472A505"); -static int tc1100_probe(struct platform_device *device); -static int tc1100_remove(struct platform_device *device); -static int tc1100_suspend(struct platform_device *device, pm_message_t state); -static int tc1100_resume(struct platform_device *device); - -static struct platform_driver tc1100_driver = { - .driver = { - .name = "tc1100-wmi", - .owner = THIS_MODULE, - }, - .probe = tc1100_probe, - .remove = tc1100_remove, - .suspend = tc1100_suspend, - .resume = tc1100_resume, -}; - static struct platform_device *tc1100_device; struct tc1100_data { @@ -183,51 +167,35 @@ static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \ show_set_bool(wireless, TC1100_INSTANCE_WIRELESS); show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL); -static void remove_fs(void) -{ - device_remove_file(&tc1100_device->dev, &dev_attr_wireless); - device_remove_file(&tc1100_device->dev, &dev_attr_jogdial); -} - -static int add_fs(void) -{ - int ret; - - ret = device_create_file(&tc1100_device->dev, &dev_attr_wireless); - if (ret) - goto add_sysfs_error; - - ret = device_create_file(&tc1100_device->dev, &dev_attr_jogdial); - if (ret) - goto add_sysfs_error; - - return ret; +static struct attribute *tc1100_attributes[] = { + &dev_attr_wireless.attr, + &dev_attr_jogdial.attr, + NULL +}; -add_sysfs_error: - remove_fs(); - return ret; -} +static struct attribute_group tc1100_attribute_group = { + .attrs = tc1100_attributes, +}; /* -------------------------------------------------------------------------- Driver Model -------------------------------------------------------------------------- */ -static int tc1100_probe(struct platform_device *device) +static int __init tc1100_probe(struct platform_device *device) { - int result = 0; - - result = add_fs(); - return result; + return sysfs_create_group(&device->dev.kobj, &tc1100_attribute_group); } -static int tc1100_remove(struct platform_device *device) +static int __devexit tc1100_remove(struct platform_device *device) { - remove_fs(); + sysfs_remove_group(&device->dev.kobj, &tc1100_attribute_group); + return 0; } -static int tc1100_suspend(struct platform_device *dev, pm_message_t state) +#ifdef CONFIG_PM +static int tc1100_suspend(struct device *dev) { int ret; @@ -239,10 +207,10 @@ static int tc1100_suspend(struct platform_device *dev, pm_message_t state) if (ret) return ret; - return ret; + return 0; } -static int tc1100_resume(struct platform_device *dev) +static int tc1100_resume(struct device *dev) { int ret; @@ -254,34 +222,61 @@ static int tc1100_resume(struct platform_device *dev) if (ret) return ret; - return ret; + return 0; } +static const struct dev_pm_ops tc1100_pm_ops = { + .suspend = tc1100_suspend, + .resume = tc1100_resume, + .freeze = tc1100_suspend, + .restore = tc1100_resume, +}; +#endif + +static struct platform_driver tc1100_driver = { + .driver = { + .name = "tc1100-wmi", + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &tc1100_pm_ops, +#endif + }, + .remove = __devexit_p(tc1100_remove), +}; + static int __init tc1100_init(void) { - int result = 0; + int error; if (!wmi_has_guid(GUID)) return -ENODEV; - result = platform_driver_register(&tc1100_driver); - if (result) - return result; - tc1100_device = platform_device_alloc("tc1100-wmi", -1); - platform_device_add(tc1100_device); + if (!tc1100_device) + return -ENOMEM; + + error = platform_device_add(tc1100_device); + if (error) + goto err_device_put; + + error = platform_driver_probe(&tc1100_driver, tc1100_probe); + if (error) + goto err_device_del; printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras loaded\n"); + return 0; - return result; + err_device_del: + platform_device_del(tc1100_device); + err_device_put: + platform_device_put(tc1100_device); + return error; } static void __exit tc1100_exit(void) { - platform_device_del(tc1100_device); + platform_device_unregister(tc1100_device); platform_driver_unregister(&tc1100_driver); - - printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras unloaded\n"); } module_init(tc1100_init); diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 448c8aeb166b..e67e4feb35cb 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6384,11 +6384,13 @@ static struct ibm_struct brightness_driver_data = { * and we leave them unchanged. */ +#ifdef CONFIG_THINKPAD_ACPI_ALSA_SUPPORT + #define TPACPI_ALSA_DRVNAME "ThinkPad EC" #define TPACPI_ALSA_SHRTNAME "ThinkPad Console Audio Control" #define TPACPI_ALSA_MIXERNAME TPACPI_ALSA_SHRTNAME -static int alsa_index = SNDRV_DEFAULT_IDX1; +static int alsa_index = ~((1 << (SNDRV_CARDS - 3)) - 1); /* last three slots */ static char *alsa_id = "ThinkPadEC"; static int alsa_enable = SNDRV_DEFAULT_ENABLE1; @@ -6705,10 +6707,11 @@ static int __init volume_create_alsa_mixer(void) rc = snd_card_create(alsa_index, alsa_id, THIS_MODULE, sizeof(struct tpacpi_alsa_data), &card); - if (rc < 0) - return rc; - if (!card) - return -ENOMEM; + if (rc < 0 || !card) { + printk(TPACPI_ERR + "Failed to create ALSA card structures: %d\n", rc); + return 1; + } BUG_ON(!card->private_data); data = card->private_data; @@ -6741,8 +6744,9 @@ static int __init volume_create_alsa_mixer(void) rc = snd_ctl_add(card, ctl_vol); if (rc < 0) { printk(TPACPI_ERR - "Failed to create ALSA volume control\n"); - goto err_out; + "Failed to create ALSA volume control: %d\n", + rc); + goto err_exit; } data->ctl_vol_id = &ctl_vol->id; } @@ -6750,22 +6754,25 @@ static int __init volume_create_alsa_mixer(void) ctl_mute = snd_ctl_new1(&volume_alsa_control_mute, NULL); rc = snd_ctl_add(card, ctl_mute); if (rc < 0) { - printk(TPACPI_ERR "Failed to create ALSA mute control\n"); - goto err_out; + printk(TPACPI_ERR "Failed to create ALSA mute control: %d\n", + rc); + goto err_exit; } data->ctl_mute_id = &ctl_mute->id; snd_card_set_dev(card, &tpacpi_pdev->dev); rc = snd_card_register(card); - -err_out: if (rc < 0) { - snd_card_free(card); - card = NULL; + printk(TPACPI_ERR "Failed to register ALSA card: %d\n", rc); + goto err_exit; } alsa_card = card; - return rc; + return 0; + +err_exit: + snd_card_free(card); + return 1; } #define TPACPI_VOL_Q_MUTEONLY 0x0001 /* Mute-only control available */ @@ -7016,6 +7023,28 @@ static struct ibm_struct volume_driver_data = { .shutdown = volume_shutdown, }; +#else /* !CONFIG_THINKPAD_ACPI_ALSA_SUPPORT */ + +#define alsa_card NULL + +static void inline volume_alsa_notify_change(void) +{ +} + +static int __init volume_init(struct ibm_init_struct *iibm) +{ + printk(TPACPI_INFO + "volume: disabled as there is no ALSA support in this kernel\n"); + + return 1; +} + +static struct ibm_struct volume_driver_data = { + .name = "volume", +}; + +#endif /* CONFIG_THINKPAD_ACPI_ALSA_SUPPORT */ + /************************************************************************* * Fan subdriver */ @@ -8738,6 +8767,7 @@ MODULE_PARM_DESC(hotkey_report_mode, "used for backwards compatibility with userspace, " "see documentation"); +#ifdef CONFIG_THINKPAD_ACPI_ALSA_SUPPORT module_param_named(volume_mode, volume_mode, uint, 0444); MODULE_PARM_DESC(volume_mode, "Selects volume control strategy: " @@ -8760,6 +8790,7 @@ module_param_named(id, alsa_id, charp, 0444); MODULE_PARM_DESC(id, "ALSA id for the ACPI EC Mixer"); module_param_named(enable, alsa_enable, bool, 0444); MODULE_PARM_DESC(enable, "Enable the ALSA interface for the ACPI EC Mixer"); +#endif /* CONFIG_THINKPAD_ACPI_ALSA_SUPPORT */ #define TPACPI_PARAM(feature) \ module_param_call(feature, set_ibm_param, NULL, NULL, 0); \ diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 51c0a8bee414..77bf5d8f893a 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -42,6 +42,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/backlight.h> #include <linux/platform_device.h> #include <linux/rfkill.h> @@ -357,63 +358,6 @@ static int force_fan; static int last_key_event; static int key_event_valid; -typedef struct _ProcItem { - const char *name; - char *(*read_func) (char *); - unsigned long (*write_func) (const char *, unsigned long); -} ProcItem; - -/* proc file handlers - */ - -static int -dispatch_read(char *page, char **start, off_t off, int count, int *eof, - ProcItem * item) -{ - char *p = page; - int len; - - if (off == 0) - p = item->read_func(p); - - /* ISSUE: I don't understand this code */ - len = (p - page); - if (len <= off + count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; - return len; -} - -static int -dispatch_write(struct file *file, const char __user * buffer, - unsigned long count, ProcItem * item) -{ - int result; - char *tmp_buffer; - - /* Arg buffer points to userspace memory, which can't be accessed - * directly. Since we're making a copy, zero-terminate the - * destination so that sscanf can be used on it safely. - */ - tmp_buffer = kmalloc(count + 1, GFP_KERNEL); - if (!tmp_buffer) - return -ENOMEM; - - if (copy_from_user(tmp_buffer, buffer, count)) { - result = -EFAULT; - } else { - tmp_buffer[count] = 0; - result = item->write_func(tmp_buffer, count); - } - kfree(tmp_buffer); - return result; -} - static int get_lcd(struct backlight_device *bd) { u32 hci_result; @@ -426,19 +370,24 @@ static int get_lcd(struct backlight_device *bd) return -EFAULT; } -static char *read_lcd(char *p) +static int lcd_proc_show(struct seq_file *m, void *v) { int value = get_lcd(NULL); if (value >= 0) { - p += sprintf(p, "brightness: %d\n", value); - p += sprintf(p, "brightness_levels: %d\n", + seq_printf(m, "brightness: %d\n", value); + seq_printf(m, "brightness_levels: %d\n", HCI_LCD_BRIGHTNESS_LEVELS); } else { printk(MY_ERR "Error reading LCD brightness\n"); } - return p; + return 0; +} + +static int lcd_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, lcd_proc_show, NULL); } static int set_lcd(int value) @@ -458,12 +407,20 @@ static int set_lcd_status(struct backlight_device *bd) return set_lcd(bd->props.brightness); } -static unsigned long write_lcd(const char *buffer, unsigned long count) +static ssize_t lcd_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) { + char cmd[42]; + size_t len; int value; int ret; - if (sscanf(buffer, " brightness : %i", &value) == 1 && + len = min(count, sizeof(cmd) - 1); + if (copy_from_user(cmd, buf, len)) + return -EFAULT; + cmd[len] = '\0'; + + if (sscanf(cmd, " brightness : %i", &value) == 1 && value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) { ret = set_lcd(value); if (ret == 0) @@ -474,7 +431,16 @@ static unsigned long write_lcd(const char *buffer, unsigned long count) return ret; } -static char *read_video(char *p) +static const struct file_operations lcd_proc_fops = { + .owner = THIS_MODULE, + .open = lcd_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = lcd_proc_write, +}; + +static int video_proc_show(struct seq_file *m, void *v) { u32 hci_result; u32 value; @@ -484,18 +450,25 @@ static char *read_video(char *p) int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0; int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0; int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0; - p += sprintf(p, "lcd_out: %d\n", is_lcd); - p += sprintf(p, "crt_out: %d\n", is_crt); - p += sprintf(p, "tv_out: %d\n", is_tv); + seq_printf(m, "lcd_out: %d\n", is_lcd); + seq_printf(m, "crt_out: %d\n", is_crt); + seq_printf(m, "tv_out: %d\n", is_tv); } else { printk(MY_ERR "Error reading video out status\n"); } - return p; + return 0; } -static unsigned long write_video(const char *buffer, unsigned long count) +static int video_proc_open(struct inode *inode, struct file *file) { + return single_open(file, video_proc_show, NULL); +} + +static ssize_t video_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) +{ + char *cmd, *buffer; int value; int remain = count; int lcd_out = -1; @@ -504,6 +477,17 @@ static unsigned long write_video(const char *buffer, unsigned long count) u32 hci_result; u32 video_out; + cmd = kmalloc(count + 1, GFP_KERNEL); + if (!cmd) + return -ENOMEM; + if (copy_from_user(cmd, buf, count)) { + kfree(cmd); + return -EFAULT; + } + cmd[count] = '\0'; + + buffer = cmd; + /* scan expression. Multiple expressions may be delimited with ; * * NOTE: to keep scanning simple, invalid fields are ignored @@ -523,6 +507,8 @@ static unsigned long write_video(const char *buffer, unsigned long count) while (remain && *(buffer - 1) != ';'); } + kfree(cmd); + hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result); if (hci_result == HCI_SUCCESS) { unsigned int new_video_out = video_out; @@ -543,28 +529,50 @@ static unsigned long write_video(const char *buffer, unsigned long count) return count; } -static char *read_fan(char *p) +static const struct file_operations video_proc_fops = { + .owner = THIS_MODULE, + .open = video_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = video_proc_write, +}; + +static int fan_proc_show(struct seq_file *m, void *v) { u32 hci_result; u32 value; hci_read1(HCI_FAN, &value, &hci_result); if (hci_result == HCI_SUCCESS) { - p += sprintf(p, "running: %d\n", (value > 0)); - p += sprintf(p, "force_on: %d\n", force_fan); + seq_printf(m, "running: %d\n", (value > 0)); + seq_printf(m, "force_on: %d\n", force_fan); } else { printk(MY_ERR "Error reading fan status\n"); } - return p; + return 0; +} + +static int fan_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, fan_proc_show, NULL); } -static unsigned long write_fan(const char *buffer, unsigned long count) +static ssize_t fan_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) { + char cmd[42]; + size_t len; int value; u32 hci_result; - if (sscanf(buffer, " force_on : %i", &value) == 1 && + len = min(count, sizeof(cmd) - 1); + if (copy_from_user(cmd, buf, len)) + return -EFAULT; + cmd[len] = '\0'; + + if (sscanf(cmd, " force_on : %i", &value) == 1 && value >= 0 && value <= 1) { hci_write1(HCI_FAN, value, &hci_result); if (hci_result != HCI_SUCCESS) @@ -578,7 +586,16 @@ static unsigned long write_fan(const char *buffer, unsigned long count) return count; } -static char *read_keys(char *p) +static const struct file_operations fan_proc_fops = { + .owner = THIS_MODULE, + .open = fan_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = fan_proc_write, +}; + +static int keys_proc_show(struct seq_file *m, void *v) { u32 hci_result; u32 value; @@ -602,18 +619,30 @@ static char *read_keys(char *p) } } - p += sprintf(p, "hotkey_ready: %d\n", key_event_valid); - p += sprintf(p, "hotkey: 0x%04x\n", last_key_event); + seq_printf(m, "hotkey_ready: %d\n", key_event_valid); + seq_printf(m, "hotkey: 0x%04x\n", last_key_event); +end: + return 0; +} - end: - return p; +static int keys_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, keys_proc_show, NULL); } -static unsigned long write_keys(const char *buffer, unsigned long count) +static ssize_t keys_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) { + char cmd[42]; + size_t len; int value; - if (sscanf(buffer, " hotkey_ready : %i", &value) == 1 && value == 0) { + len = min(count, sizeof(cmd) - 1); + if (copy_from_user(cmd, buf, len)) + return -EFAULT; + cmd[len] = '\0'; + + if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) { key_event_valid = 0; } else { return -EINVAL; @@ -622,52 +651,58 @@ static unsigned long write_keys(const char *buffer, unsigned long count) return count; } -static char *read_version(char *p) +static const struct file_operations keys_proc_fops = { + .owner = THIS_MODULE, + .open = keys_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = keys_proc_write, +}; + +static int version_proc_show(struct seq_file *m, void *v) { - p += sprintf(p, "driver: %s\n", TOSHIBA_ACPI_VERSION); - p += sprintf(p, "proc_interface: %d\n", - PROC_INTERFACE_VERSION); - return p; + seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION); + seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION); + return 0; } +static int version_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, version_proc_show, PDE(inode)->data); +} + +static const struct file_operations version_proc_fops = { + .owner = THIS_MODULE, + .open = version_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + /* proc and module init */ #define PROC_TOSHIBA "toshiba" -static ProcItem proc_items[] = { - {"lcd", read_lcd, write_lcd}, - {"video", read_video, write_video}, - {"fan", read_fan, write_fan}, - {"keys", read_keys, write_keys}, - {"version", read_version, NULL}, - {NULL} -}; - static acpi_status __init add_device(void) { - struct proc_dir_entry *proc; - ProcItem *item; - - for (item = proc_items; item->name; ++item) { - proc = create_proc_read_entry(item->name, - S_IFREG | S_IRUGO | S_IWUSR, - toshiba_proc_dir, - (read_proc_t *) dispatch_read, - item); - if (proc && item->write_func) - proc->write_proc = (write_proc_t *) dispatch_write; - } + proc_create("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, &lcd_proc_fops); + proc_create("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, &video_proc_fops); + proc_create("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, &fan_proc_fops); + proc_create("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, &keys_proc_fops); + proc_create("version", S_IRUGO, toshiba_proc_dir, &version_proc_fops); return AE_OK; } static acpi_status remove_device(void) { - ProcItem *item; - - for (item = proc_items; item->name; ++item) - remove_proc_entry(item->name, toshiba_proc_dir); + remove_proc_entry("lcd", toshiba_proc_dir); + remove_proc_entry("video", toshiba_proc_dir); + remove_proc_entry("fan", toshiba_proc_dir); + remove_proc_entry("keys", toshiba_proc_dir); + remove_proc_entry("version", toshiba_proc_dir); return AE_OK; } diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index e425a868cd3a..b104302fea0a 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -492,8 +492,7 @@ wmi_notify_handler handler, void *data) if (!guid || !handler) return AE_BAD_PARAMETER; - find_guid(guid, &block); - if (!block) + if (!find_guid(guid, &block)) return AE_NOT_EXIST; if (block->handler) @@ -521,8 +520,7 @@ acpi_status wmi_remove_notify_handler(const char *guid) if (!guid) return AE_BAD_PARAMETER; - find_guid(guid, &block); - if (!block) + if (!find_guid(guid, &block)) return AE_NOT_EXIST; if (!block->handler) @@ -540,8 +538,8 @@ EXPORT_SYMBOL_GPL(wmi_remove_notify_handler); /** * wmi_get_event_data - Get WMI data associated with an event * - * @event - Event to find - * &out - Buffer to hold event data + * @event: Event to find + * @out: Buffer to hold event data. out->pointer should be freed with kfree() * * Returns extra data associated with an event in WMI. */ @@ -716,6 +714,22 @@ static int wmi_class_init(void) return ret; } +static bool guid_already_parsed(const char *guid_string) +{ + struct guid_block *gblock; + struct wmi_block *wblock; + struct list_head *p; + + list_for_each(p, &wmi_blocks.list) { + wblock = list_entry(p, struct wmi_block, list); + gblock = &wblock->gblock; + + if (strncmp(gblock->guid, guid_string, 16) == 0) + return true; + } + return false; +} + /* * Parse the _WDG method for the GUID data blocks */ @@ -725,6 +739,7 @@ static __init acpi_status parse_wdg(acpi_handle handle) union acpi_object *obj; struct guid_block *gblock; struct wmi_block *wblock; + char guid_string[37]; acpi_status status; u32 i, total; @@ -747,6 +762,19 @@ static __init acpi_status parse_wdg(acpi_handle handle) memcpy(gblock, obj->buffer.pointer, obj->buffer.length); for (i = 0; i < total; i++) { + /* + Some WMI devices, like those for nVidia hooks, have a + duplicate GUID. It's not clear what we should do in this + case yet, so for now, we'll just ignore the duplicate. + Anyone who wants to add support for that device can come + up with a better workaround for the mess then. + */ + if (guid_already_parsed(gblock[i].guid) == true) { + wmi_gtoa(gblock[i].guid, guid_string); + printk(KERN_INFO PREFIX "Skipping duplicate GUID %s\n", + guid_string); + continue; + } wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL); if (!wblock) return AE_NO_MEMORY; |