linux-kernel - Re: [PATCH] staging: olpc_dcon: provide detailed FB_OLPC

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Date:	Tue, 30 Jul 2013 11:48:45 -0700
From:	Andres Salomon <dilinger@...ued.net>
To:	Jens Frederich <jfrederich@...il.com>
Cc:	gregkh@...uxfoundation.org, jon.nettleton@...il.com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: olpc_dcon: provide detailed FB_OLPC_DCON help
 section

Acked-by: Andres Salomon <dilinger@...ued.net>

On Tue, 30 Jul 2013
20:11:34 +0200 Jens Frederich <jfrederich@...il.com> wrote:

> The FB_OLPC_DCON help section is to short according to checkpatch.pl.
> We want more information about the controller type, its task, its
> video pipeline position and so on.
> 
> There are no style issues, remove checkpatch.pl TODO entry.
> 
> Signed-off-by: Jens Frederich <jfrederich@...il.com>
> 
> diff --git a/drivers/staging/olpc_dcon/Kconfig
> b/drivers/staging/olpc_dcon/Kconfig index fe40e0b..2ff015d 100644
> --- a/drivers/staging/olpc_dcon/Kconfig
> +++ b/drivers/staging/olpc_dcon/Kconfig
> @@ -4,9 +4,14 @@ config FB_OLPC_DCON
>  	select I2C
>  	select BACKLIGHT_CLASS_DEVICE
>  	---help---
> -	  Add support for the OLPC XO DCON controller.  This
> controller is
> -	  only available on OLPC platforms.   Unless you have one of
> these
> -	  platforms, you will want to say 'N'.
> +	  In order to support very low power operation, the XO
> laptop uses a
> +	  secondary Display CONtroller, or DCON.  This secondary
> controller
> +	  is present in the video pipeline between the primary
> display
> +	  controller (integrate into the processor or chipset) and
> the LCD
> +	  panel.  It allows the main processor/display controller to
> be
> +	  completely powered off while still retaining an image on
> the display.
> +	  This controller is only available on OLPC platforms.
> Unless you have
> +	  one of these platforms, you will want to say 'N'.
>  
>  config FB_OLPC_DCON_1
>  	bool "OLPC XO-1 DCON support"
> diff --git a/drivers/staging/olpc_dcon/TODO
> b/drivers/staging/olpc_dcon/TODO index 35f9cda..f378e84 100644
> --- a/drivers/staging/olpc_dcon/TODO
> +++ b/drivers/staging/olpc_dcon/TODO
> @@ -1,5 +1,4 @@
>  TODO:
> -	- checkpatch.pl cleanups
>  	- see if vx855 gpio API can be made similar enough to cs5535
> so we can share more code
>  	- allow simultaneous XO-1 and XO-1.5 support
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