On Wed 2017-09-13 14:20:58, David Lin wrote: > On Wed, Sep 13, 2017 at 1:20 PM, Pavel Machek <[email protected]> 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]. > > > > NAK. > > > > LEDs do not need extra overhead, and vibrator control should not go > > through LED subsystem. > > > > Input subsystem includes support for vibrations and force > > feedback. Please use that instead. > > I thought we are already over this discussion. As of now, the support > of vibrator through ledtrig is documented > (Documentation/leds/ledtrig-transient.txt) and there are users using > it.
I also thought we are over with that discussion.
Yes, I'm working on fixing the docs.
What mainline users are doing that?
Pavel
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