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SubjectRe: [PATCH v3 06/10] Documentation: leds: Add description of brightness setting API
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@samsung.com>
> ---
> 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@linux.intel.com>

> + 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@iki.fi XMPP: sailus@retiisi.org.uk


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