linux-kernel - Re: [PATCH v3 06/10] Documentation: leds: Add description of brightness setting API

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Date:	Fri, 16 Oct 2015 18:36:29 +0300
From:	Sakari Ailus <sakari.ailus@....fi>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
	pavel@....cz, sakari.ailus@...ux.intel.com, andrew@...n.ch
Subject: Re: [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@...sung.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@...ux.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@....fi	XMPP: sailus@...iisi.org.uk
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