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linux/drivers/leds
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Fabio Baltieri 5bb629c504 leds: add oneshot blink functions 
Add two new functions, led_blink_set_oneshot and
led_trigger_blink_oneshot, to be used by triggers for one-shot blink of
led devices.

This is implemented extending the existing software-blink code, and uses
the same timer and handler function.

The behavior of the code is to do a blink-on, blink-off sequence when
the function is called, ignoring other calls until the sequence is
completed so that the leds keep blinking at constant rate if the
functions are called repeatedly.

This is meant to be used by drivers which needs to trigger on sporadic
event, but doesn't have clear busy/idle trigger points.

After the blink sequence the led remains off. This behavior can be
inverted setting the "invert" argument, which blink the led off, than on
and leave the led on after the sequence.

(bryan.wu@canonical.com: rebase to commit 'leds: don't disable blinking
when writing the same value to delay_on or delay_off')

Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Acked-by: Shuah Khan <shuahkhan@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-24 07:52:34 +08:00
..
dell-led.c drivers/leds: Add module.h to files using it implicitly 2011-10-31 19:31:49 -04:00
Kconfig leds: Make LEDS_ASIC3 and LEDS_RENESAS_TPU depend on LEDS_CLASS=y 2012-06-12 10:56:25 +08:00
led-class.c leds: add oneshot blink functions 2012-07-24 07:52:34 +08:00
led-core.c leds: add oneshot blink functions 2012-07-24 07:52:34 +08:00
led-triggers.c leds: add oneshot blink functions 2012-07-24 07:52:34 +08:00
leds-88pm860x.c led: Modified power control of pm860x led 2012-03-06 18:46:53 +01:00
leds-adp5520.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-asic3.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-atmel-pwm.c leds-atmel-pwm.c: Make pwmled_probe() __devinit 2012-04-17 16:29:31 +02:00
leds-bd2802.c drivers/leds/leds-bd2802.c: use gpio_request_one() 2012-01-10 16:30:49 -08:00
leds-clevo-mail.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
leds-cobalt-qube.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-cobalt-raq.c drivers/leds: Add export.h for THIS_MODULE to leds-cobalt-raq.c 2011-10-31 19:31:50 -04:00
leds-da903x.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-da9052.c leds: driver for DA9052/53 PMIC v2 2012-05-29 16:22:31 -07:00
leds-dac124s085.c leds: convert leds-dac124s085 to module_spi_driver 2012-01-10 16:30:49 -08:00
leds-fsg.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-gpio-register.c leds: provide helper to register "leds-gpio" devices 2011-05-25 08:39:51 -07:00
leds-gpio.c drivers/leds/leds-gpio.c: use linux/gpio.h rather than asm/gpio.h 2012-03-23 16:58:35 -07:00
leds-hp6xx.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-lm3530.c drivers/leds/leds-lm3530.c: simplify als configuration on initialization 2012-05-29 16:22:32 -07:00
leds-lm3533.c leds: add LM3533 LED driver 2012-05-29 16:22:32 -07:00
leds-locomo.c drivers/leds: Add module.h to files using it implicitly 2011-10-31 19:31:49 -04:00
leds-lp3944.c leds: convert led i2c drivers to module_i2c_driver 2012-01-10 16:30:48 -08:00
leds-lp5521.c drivers/leds/leds-lp5521.c: fix lp5521_read() error handling 2012-05-29 16:22:31 -07:00
leds-lp5523.c drivers/leds/leds-lp5523.c: constify some data 2012-03-23 16:58:35 -07:00
leds-lt3593.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-max8997.c leds: Add suuport for MAX8997-LED driver 2012-01-09 00:37:41 +01:00
leds-mc13783.c leds: Use kcalloc instead of kzalloc to allocate array 2012-05-29 16:22:31 -07:00
leds-net48xx.c drivers/leds: Add module.h to files using it implicitly 2011-10-31 19:31:49 -04:00
leds-netxbig.c drivers/leds: correct __devexit annotations 2012-05-10 15:06:44 -07:00
leds-ns2.c drivers/leds: correct __devexit annotations 2012-05-10 15:06:44 -07:00
leds-ot200.c leds: add led driver for Bachmann's ot200 2012-01-23 08:38:47 -08:00
leds-pca955x.c drivers/leds/leds-pca955x.c: fix race condition while setting brightness on several LEDs 2012-05-29 16:22:32 -07:00
leds-pca9532.c leds: convert led i2c drivers to module_i2c_driver 2012-01-10 16:30:48 -08:00
leds-pca9633.c drivers/leds/leds-pca9633.c: remove unused 'adapter' variable 2012-03-23 16:58:35 -07:00
leds-pwm.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-rb532.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-regulator.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-renesas-tpu.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-s3c24xx.c leds: convert led platform drivers to module_platform_driver 2012-01-10 16:30:48 -08:00
leds-ss4200.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
leds-sunfire.c drivers/leds/leds-sunfire.c: fix sunfire_led_generic_probe() error handling 2011-07-25 20:57:15 -07:00
leds-tca6507.c drivers/leds/leds-tca6507.c: remove obsolete cleanup for clientdata 2012-03-23 16:58:34 -07:00
leds-wm831x-status.c leds: convert wm831x status driver to devm_kzalloc() 2012-01-10 16:30:49 -08:00
leds-wm8350.c leds: convert wm8350 driver to devm_kzalloc() 2012-01-10 16:30:49 -08:00
leds-wrap.c drivers/leds: Add module.h to files using it implicitly 2011-10-31 19:31:49 -04:00
leds.h leds: support automatic start of blinking with ledtrig-timer 2011-05-25 08:39:49 -07:00
ledtrig-backlight.c leds: change existing triggers to use activated flag 2012-05-29 16:22:31 -07:00
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: change existing triggers to use activated flag 2012-05-29 16:22:31 -07:00
ledtrig-heartbeat.c leds: heartbeat: fix bug on panic 2012-07-04 15:55:19 +08:00
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: change ledtrig-timer to use activated flag 2012-05-29 16:22:31 -07:00
ledtrig-transient.c leds: add new transient trigger for one shot timer activation 2012-05-29 16:22:32 -07:00
Makefile leds: add LM3533 LED driver 2012-05-29 16:22:32 -07:00