diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-08-20 23:26:40 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-10 05:06:38 +0400 |
| commit | ea115d54bc963eb2eb0dc223795f3bd6c689ff99 (patch) | |
| tree | f18a9b52ea30c55e656a9fc8aaf762a4cddfb388 | |
| parent | ad8ff0f10b489562012e433acdac92498fe8bdc9 (diff) | |
| download | linux-ea115d54bc963eb2eb0dc223795f3bd6c689ff99.tar.xz | |
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>
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-ioctl.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 2bb1e324785b..0dde82f67e26 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -584,9 +584,7 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype, /* set raw VBI format */ if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - if (set_fmt && streamtype == IVTV_ENC_STREAM_TYPE_VBI && - itv->vbi.sliced_in->service_set && - atomic_read(&itv->capturing) > 0) { + if (set_fmt && atomic_read(&itv->capturing) > 0) { return -EBUSY; } if (set_fmt) { @@ -624,7 +622,7 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype, return 0; if (set == 0) return -EINVAL; - if (atomic_read(&itv->capturing) > 0 && itv->vbi.sliced_in->service_set == 0) { + if (atomic_read(&itv->capturing) > 0) { return -EBUSY; } itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); |