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17354bfe85
kernel-ark/drivers/leds
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Felipe Balbi 17354bfe85 leds: Add gpio-led trigger 
The gpio led trigger will allow leds to be triggered by
gpio events.

When we give the led a gpio number, the trigger will
request_irq() on that so we don't have to keep polling
for gpio state.

It's useful for usecases as n810's keypad leds that could
be triggered by the gpio event generated when user slides
up to show the keypad.

We also provide means for userland to tell us what is the
desired brightness for that special led when it goes on
so userland could use information from ambient light sensors
and not set led brightness too high if it's not necessary.

Signed-off-by: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-04-06 16:06:26 +01:00
..
Kconfig leds: Add gpio-led trigger 2009-04-06 16:06:26 +01:00
led-class.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
led-core.c leds: Cleanup various whitespace and code style issues 2008-04-24 23:37:42 +01:00
led-triggers.c leds: Ensure led->trigger is set earlier 2008-07-23 09:49:56 +01:00
leds-alix2.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-ams-delta.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-atmel-pwm.c leds: fix unsigned value overflow in atmel pwm driver 2008-07-23 09:49:56 +01:00
leds-clevo-mail.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-cobalt-qube.c leds: Cleanup various whitespace and code style issues 2008-04-24 23:37:42 +01:00
leds-cobalt-raq.c leds: Cleanup various whitespace and code style issues 2008-04-24 23:37:42 +01:00
leds-da903x.c leds: da903x: (da9030 only) led brightness reversed. 2008-10-30 22:14:10 +08:00
leds-dac124s085.c leds: Add dac124s085 driver 2009-04-06 16:06:25 +01:00
leds-fsg.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-gpio.c leds: Add suspend/resume state flags to leds-gpio 2009-04-06 16:06:26 +01:00
leds-h1940.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
leds-hp6xx.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-locomo.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
leds-net48xx.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-pca955x.c leds: leds-pca955x - Mark pca955x_led_set() static 2008-10-20 22:57:56 +01:00
leds-pca9532.c trivial: Update my email address 2009-03-30 15:22:04 +02:00
leds-pwm.c leds: simple driver for pwm driven LEDs 2009-04-06 16:06:26 +01:00
leds-rb532.c leds: Add rb532 LED driver for the User LED 2009-04-06 16:06:26 +01:00
leds-s3c24xx.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-sunfire.c leds: Add driver for Sunfire UltraSPARC server LEDs. 2008-08-31 20:26:48 -07:00
leds-wm8350.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-wrap.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds.h leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-backlight.c leds: Add backlight LED trigger 2008-10-20 22:34:12 +01:00
ledtrig-default-on.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-gpio.c leds: Add gpio-led trigger 2009-04-06 16:06:26 +01:00
ledtrig-heartbeat.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-ide-disk.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-timer.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
Makefile leds: Add gpio-led trigger 2009-04-06 16:06:26 +01:00