From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Mon, 20 Aug 2007 19:26:40 +0000 (-0300)
Subject: V4L/DVB (6087): ivtv: prevent changing VBI format while capture is in progress
X-Git-Tag: v2.6.24-rc1~1463^2~179
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea115d54bc963eb2eb0dc223795f3bd6c689ff99;p=pandora-kernel.git

V4L/DVB (6087): ivtv: prevent changing VBI format while capture is in progress

Changing the VBI format requires a CX2341X_ENC_INITIALIZE_INPUT firmware
call. This can only be done if no capture is in progress. So return
-EBUSY if the encoder is busy.

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