From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Fri, 24 Apr 2015 07:04:04 +0000 (-0300)
Subject: [media] gspca: sn9c2028: Add gain and autogain controls Genius Videocam Live v2
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~111^2~170
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8fd9f56255cfeebe88b987543fd2d1399a35a25;p=pandora-kernel.git

[media] gspca: sn9c2028: Add gain and autogain controls Genius Videocam Live v2

Autogain algorithm is very simple, if average luminance is low - increase gain,
if it's high - decrease gain. Gain granularity is low enough for this algo to
stabilize quickly.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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