From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Tue, 22 Feb 2011 15:31:07 +0000 (-0300)
Subject: [media] v4l2-ctrls: Fix control enumeration for multiple subdevs with ctrl
X-Git-Tag: v2.6.39-rc1~86^2~324
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=87a0c94ce616b231f3c0bd09d7dbd39d43b0557a;p=pandora-kernel.git

[media] v4l2-ctrls: Fix control enumeration for multiple subdevs with ctrl

v4l2-ctl and qv4l2 enumerate controls using V4L2_CTRL_FLAG_NEXT_CTRL,
falling back to the old method if the flag isn't supported.

The v4l2_subdev_queryctrl function will currently handle that flag, but
for the controls of the subdev only. This isn't right, it should refuse
this flag, otherwise v4l2-ctl will only see the controls of the first
subdev.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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