tree f18a9b52ea30c55e656a9fc8aaf762a4cddfb388
parent ad8ff0f10b489562012e433acdac92498fe8bdc9
author Hans Verkuil <hverkuil@xs4all.nl> 1187638000 -0300
committer Mauro Carvalho Chehab <mchehab@infradead.org> 1191978398 -0300

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>