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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-15 22:41:39 +0200 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-15 22:41:39 +0200 |
commit | f2e1d89f9b349b3cd914b7c6ec6368632f4ad048 (patch) | |
tree | 5b0042924a9f9c8b3309c0be880f51795916fc28 /drivers/hwmon/applesmc.c | |
parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
parent | Input: use full RCU API (diff) | |
download | linux-f2e1d89f9b349b3cd914b7c6ec6368632f4ad048.tar.xz linux-f2e1d89f9b349b3cd914b7c6ec6368632f4ad048.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits)
Input: use full RCU API
Input: remove tsdev interface
Input: add support for Blackfin BF54x Keypad controller
Input: appletouch - another fix for idle reset logic
HWMON: hdaps - switch to using input-polldev
Input: add support for SEGA Dreamcast keyboard
Input: omap-keyboard - don't pretend we support changing keymap
Input: lifebook - fix X and Y axis range
Input: usbtouchscreen - add support for GeneralTouch devices
Input: fix open count handling in input interfaces
Input: keyboard - add CapsShift lock
Input: adbhid - produce all CapsLock key events
Input: ALPS - add signature for ThinkPad R61
Input: jornada720_kbd - send MSC_SCAN events
Input: add support for the HP Jornada 7xx (710/720/728) touchscreen
Input: add support for HP Jornada 7xx onboard keyboard
Input: add support for HP Jornada onboard keyboard (HP6XX)
Input: ucb1400_ts - use schedule_timeout_uninterruptible
Input: xpad - fix dependancy on LEDS class
Input: auto-select INPUT for MAC_EMUMOUSEBTN option
...
Resolved conflicts manually in drivers/hwmon/applesmc.c: converting from
a class device to a device and converting to use input-polldev created a
few apparently trivial clashes..
Diffstat (limited to 'drivers/hwmon/applesmc.c')
-rw-r--r-- | drivers/hwmon/applesmc.c | 83 |
1 files changed, 30 insertions, 53 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index f37fd7ebf65a..4879125b4cdc 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -28,7 +28,7 @@ #include <linux/delay.h> #include <linux/platform_device.h> -#include <linux/input.h> +#include <linux/input-polldev.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/timer.h> @@ -59,9 +59,9 @@ #define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6 bytes) */ #define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6 bytes) */ -#define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ +#define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ -#define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ +#define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ #define MOTION_SENSOR_X_KEY "MO_X" /* r-o sp78 (2 bytes) */ #define MOTION_SENSOR_Y_KEY "MO_Y" /* r-o sp78 (2 bytes) */ @@ -103,7 +103,7 @@ static const char* fan_speed_keys[] = { #define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */ #define INIT_WAIT_MSECS 50 /* ... in 50ms increments */ -#define APPLESMC_POLL_PERIOD (HZ/20) /* poll for input every 1/20s */ +#define APPLESMC_POLL_INTERVAL 50 /* msecs */ #define APPLESMC_INPUT_FUZZ 4 /* input event threshold */ #define APPLESMC_INPUT_FLAT 4 @@ -125,9 +125,8 @@ static const int debug; static struct platform_device *pdev; static s16 rest_x; static s16 rest_y; -static struct timer_list applesmc_timer; -static struct input_dev *applesmc_idev; static struct device *hwmon_dev; +static struct input_polled_dev *applesmc_idev; /* Indicates whether this computer has an accelerometer. */ static unsigned int applesmc_accelerometer; @@ -138,7 +137,7 @@ static unsigned int applesmc_light; /* Indicates which temperature sensors set to use. */ static unsigned int applesmc_temperature_set; -static struct mutex applesmc_lock; +static DEFINE_MUTEX(applesmc_lock); /* * Last index written to key_at_index sysfs file, and value to use for all other @@ -455,27 +454,12 @@ static void applesmc_calibrate(void) rest_x = -rest_x; } -static int applesmc_idev_open(struct input_dev *dev) -{ - add_timer(&applesmc_timer); - - return 0; -} - -static void applesmc_idev_close(struct input_dev *dev) -{ - del_timer_sync(&applesmc_timer); -} - -static void applesmc_idev_poll(unsigned long unused) +static void applesmc_idev_poll(struct input_polled_dev *dev) { + struct input_dev *idev = dev->input; s16 x, y; - /* Cannot sleep. Try nonblockingly. If we fail, try again later. */ - if (!mutex_trylock(&applesmc_lock)) { - mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD); - return; - } + mutex_lock(&applesmc_lock); if (applesmc_read_motion_sensor(SENSOR_X, &x)) goto out; @@ -483,13 +467,11 @@ static void applesmc_idev_poll(unsigned long unused) goto out; x = -x; - input_report_abs(applesmc_idev, ABS_X, x - rest_x); - input_report_abs(applesmc_idev, ABS_Y, y - rest_y); - input_sync(applesmc_idev); + input_report_abs(idev, ABS_X, x - rest_x); + input_report_abs(idev, ABS_Y, y - rest_y); + input_sync(idev); out: - mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD); - mutex_unlock(&applesmc_lock); } @@ -821,8 +803,7 @@ static ssize_t applesmc_key_at_index_read_show(struct device *dev, if (!ret) { return info[0]; - } - else { + } else { return ret; } } @@ -1093,6 +1074,7 @@ static int applesmc_dmi_match(const struct dmi_system_id *id) /* Create accelerometer ressources */ static int applesmc_create_accelerometer(void) { + struct input_dev *idev; int ret; ret = sysfs_create_group(&pdev->dev.kobj, @@ -1100,40 +1082,37 @@ static int applesmc_create_accelerometer(void) if (ret) goto out; - applesmc_idev = input_allocate_device(); + applesmc_idev = input_allocate_polled_device(); if (!applesmc_idev) { ret = -ENOMEM; goto out_sysfs; } + applesmc_idev->poll = applesmc_idev_poll; + applesmc_idev->poll_interval = APPLESMC_POLL_INTERVAL; + /* initial calibrate for the input device */ applesmc_calibrate(); - /* initialize the input class */ - applesmc_idev->name = "applesmc"; - applesmc_idev->id.bustype = BUS_HOST; - applesmc_idev->dev.parent = &pdev->dev; - applesmc_idev->evbit[0] = BIT(EV_ABS); - applesmc_idev->open = applesmc_idev_open; - applesmc_idev->close = applesmc_idev_close; - input_set_abs_params(applesmc_idev, ABS_X, + /* initialize the input device */ + idev = applesmc_idev->input; + idev->name = "applesmc"; + idev->id.bustype = BUS_HOST; + idev->dev.parent = &pdev->dev; + idev->evbit[0] = BIT(EV_ABS); + input_set_abs_params(idev, ABS_X, -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); - input_set_abs_params(applesmc_idev, ABS_Y, + input_set_abs_params(idev, ABS_Y, -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); - ret = input_register_device(applesmc_idev); + ret = input_register_polled_device(applesmc_idev); if (ret) goto out_idev; - /* start up our timer for the input device */ - init_timer(&applesmc_timer); - applesmc_timer.function = applesmc_idev_poll; - applesmc_timer.expires = jiffies + APPLESMC_POLL_PERIOD; - return 0; out_idev: - input_free_device(applesmc_idev); + input_free_polled_device(applesmc_idev); out_sysfs: sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); @@ -1146,8 +1125,8 @@ out: /* Release all ressources used by the accelerometer */ static void applesmc_release_accelerometer(void) { - del_timer_sync(&applesmc_timer); - input_unregister_device(applesmc_idev); + input_unregister_polled_device(applesmc_idev); + input_free_polled_device(applesmc_idev); sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); } @@ -1184,8 +1163,6 @@ static int __init applesmc_init(void) int count; int i; - mutex_init(&applesmc_lock); - if (!dmi_check_system(applesmc_whitelist)) { printk(KERN_WARNING "applesmc: supported laptop not found!\n"); ret = -ENODEV; |