+Cc: Greg KH On Sun, Apr 30, 2017 at 2:36 PM, David Lin <dtwlin@xxxxxxxxxx> wrote: > Hi, > > These patch series add the LED_BRIGHTNESS_FAST flag support for > ledtrig-transient to use hrtimer so that platforms with high-resolution timer > support can have better accuracy in the trigger duration timing. The need for > this support is driven by the fact that Android has removed the timed_ouput [1] > and is now using led-trigger for handling vibrator control which requires the > timer to be accurate up to a millisecond. However, this flag support would also > allow hrtimer to co-exist with the ktimer without causing warning to the > existing drivers [2]. > > David > > [1] https://patchwork.kernel.org/patch/8664831/ > [2] https://lkml.org/lkml/2015/4/28/260 > > David Lin (3): > leds: Replace flags bit shift with BIT() macros > leds: Add the LED_BRIGHTNESS_FAST flag > led: ledtrig-transient: add support for hrtimer > > Documentation/leds/leds-class.txt | 5 +++ > drivers/leds/trigger/ledtrig-transient.c | 59 +++++++++++++++++++++++++++++--- > include/linux/leds.h | 13 +++---- > 3 files changed, 66 insertions(+), 11 deletions(-) > > -- > 2.13.0.rc0.306.g87b477812d-goog > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
