linux-kernel - RE: [PATCH] backlight: new driver for the ADP8870 backlight devices

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Message-ID: <544AC56F16B56944AEC3BD4E3D591771324C0A8C91@LIMKCMBX1.ad.analog.com>
Date:	Fri, 21 Jan 2011 09:41:58 +0000
From:	"Hennerich, Michael" <Michael.Hennerich@...log.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Purdie <rpurdie@...ys.net>
CC:	Mike Frysinger <vapier@...too.org>,
	"device-drivers-devel@...ckfin.uclinux.org" 
	<device-drivers-devel@...ckfin.uclinux.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] backlight: new driver for the ADP8870 backlight devices

Andrew Morton wrote on 2011-01-21:
> On Fri, 21 Jan 2011 09:25:50 +0000 "Hennerich, Michael"
> <Michael.Hennerich@...log.com> wrote:
>
>>> Is the sysfs API documented anywhere?
>>
>> Yes - http://wiki-analog.com/software/driver/linux/adp8870
>> I guess you are asking me to write something that goes into linux-
> 2.6.x/Documentation?
>
> That would be nice, please.  Documentation/ABI/, perhaps.
>
> In an ideal world, documentation wouldn't be necessary because all
> backlight drivers offer the same (or sufficiently similar) interfaces,
> so one generic document describes them all.  I don't know how close we
> are to that however.

This driver implements the ABI documented in
linux-2.6.x/Documentation/ABI/stable/sysfs-class-backlight
however it adds some additional ABI for ambient light sensor/zones.

http://wiki-analog.com/software/driver/linux/adp8870

Richard do you think my extension is suitable to be added there too?

Greetings,
Michael

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