Hi Jacek, On Wed, Oct 07, 2015 at 11:10:44AM +0200, Jacek Anaszewski wrote: > This patch adds description of the LED subsystem API for > setting an LED brightness. > > Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx> > --- > Documentation/leds/leds-class.txt | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/Documentation/leds/leds-class.txt b/Documentation/leds/leds-class.txt > index 62261c0..d406d98 100644 > --- a/Documentation/leds/leds-class.txt > +++ b/Documentation/leds/leds-class.txt > @@ -52,6 +52,19 @@ above leaves scope for further attributes should they be needed. If sections > of the name don't apply, just leave that section blank. > > > +Brightness setting API > +====================== > + > +LED subsystem core exposes following API for setting brightness: > + > + - led_set_brightness : it is guaranteed not to sleep, passing LED_OFF stops > + blinking, > + - led_set_brightness_sync : for use cases when immediate effect is desired - Over 80 characters per line. Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > + it can block the caller for the time required for accessing > + device registers and can sleep, passing LED_OFF stops hardware > + blinking, returns -EBUSY if software blink fallback is enabled. > + > + > Hardware accelerated blink of LEDs > ================================== > -- Regards, Sakari Ailus e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
