diff options
| author | Michał Kępień <kernel@kempniu.pl> | 2017-03-20 10:32:19 +0100 |
|---|---|---|
| committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-13 19:14:26 +0200 |
| commit | f22526723775f4de1b37335a63b80fb2b00ba4ef (patch) | |
| tree | ed40c1fa8c67197aca6032a9b87dc2f71a8fef4e /drivers/platform/x86/fujitsu-laptop.c | |
| parent | platform/x86: fujitsu-laptop: switch to a managed backlight input device (diff) | |
| download | linux-f22526723775f4de1b37335a63b80fb2b00ba4ef.tar.xz linux-f22526723775f4de1b37335a63b80fb2b00ba4ef.zip | |
platform/x86: fujitsu-laptop: use a sparse keymap for brightness key events
Simplify brightness key event generation by using a sparse keymap.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Diffstat (limited to 'drivers/platform/x86/fujitsu-laptop.c')
| -rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 68e338c6a876..3483ac37bee5 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -57,6 +57,7 @@ #include <linux/backlight.h> #include <linux/fb.h> #include <linux/input.h> +#include <linux/input/sparse-keymap.h> #include <linux/kfifo.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -590,9 +591,16 @@ static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { /* ACPI device for LCD brightness control */ +static const struct key_entry keymap_backlight[] = { + { KE_KEY, true, { KEY_BRIGHTNESSUP } }, + { KE_KEY, false, { KEY_BRIGHTNESSDOWN } }, + { KE_END, 0 } +}; + static int acpi_fujitsu_bl_input_setup(struct acpi_device *device) { struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device); + int ret; fujitsu_bl->input = devm_input_allocate_device(&device->dev); if (!fujitsu_bl->input) @@ -605,10 +613,10 @@ static int acpi_fujitsu_bl_input_setup(struct acpi_device *device) fujitsu_bl->input->phys = fujitsu_bl->phys; fujitsu_bl->input->id.bustype = BUS_HOST; fujitsu_bl->input->id.product = 0x06; - fujitsu_bl->input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_BRIGHTNESSUP, fujitsu_bl->input->keybit); - set_bit(KEY_BRIGHTNESSDOWN, fujitsu_bl->input->keybit); - set_bit(KEY_UNKNOWN, fujitsu_bl->input->keybit); + + ret = sparse_keymap_setup(fujitsu_bl->input, keymap_backlight, NULL); + if (ret) + return ret; return input_register_device(fujitsu_bl->input); } @@ -714,18 +722,14 @@ static int acpi_fujitsu_bl_remove(struct acpi_device *device) static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) { struct input_dev *input; - int oldb, newb, keycode; + int oldb, newb; input = fujitsu_bl->input; if (event != ACPI_FUJITSU_NOTIFY_CODE1) { - keycode = KEY_UNKNOWN; vdbg_printk(FUJLAPTOP_DBG_WARN, "unsupported event [0x%x]\n", event); - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); + sparse_keymap_report_event(input, -1, 1, true); return; } @@ -747,12 +751,7 @@ static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) set_lcd_level(newb); } - keycode = oldb < newb ? KEY_BRIGHTNESSUP : KEY_BRIGHTNESSDOWN; - - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); + sparse_keymap_report_event(input, oldb < newb, 1, true); } /* ACPI device for hotkey handling */ |