diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-07-17 15:26:45 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 10:28:07 (GMT) |
commit | ca130eef2ca185739a440b893e69fe36038b87c9 (patch) | |
tree | e35b288f2a6c1ba816e0ba524ca8966cbab9d147 /drivers/media/video/cx25840 | |
parent | cb5aa1c62df81ba2cdbae7f7ce469b231d43aba6 (diff) | |
download | linux-ca130eef2ca185739a440b893e69fe36038b87c9.tar.xz |
V4L/DVB (8377): ivtv/cx18: ensure the default control values are correct
For several MPEG controls and the volume control the default as returned
by VIDIOC_QUERYCTRL was incorrect and did not match the actual initial
value.
This is now fixed for cx18 and ivtv.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx25840')
-rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 4 | ||||
-rw-r--r-- | drivers/media/video/cx25840/cx25840-core.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 120c498..e7bf4f4 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -1204,6 +1204,8 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd, switch (qc->id) { case V4L2_CID_AUDIO_VOLUME: + return v4l2_ctrl_query_fill(qc, 0, 65535, + 65535 / 100, state->default_volume); case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_BALANCE: case V4L2_CID_AUDIO_BASS: @@ -1411,6 +1413,8 @@ static int cx25840_probe(struct i2c_client *client, state->pvr150_workaround = 0; state->audmode = V4L2_TUNER_MODE_LANG1; state->unmute_volume = -1; + state->default_volume = 228 - cx25840_read(client, 0x8d4); + state->default_volume = ((state->default_volume / 2) + 23) << 9; state->vbi_line_offset = 8; state->id = id; state->rev = device_id; diff --git a/drivers/media/video/cx25840/cx25840-core.h b/drivers/media/video/cx25840/cx25840-core.h index 27d8e52..72916ba 100644 --- a/drivers/media/video/cx25840/cx25840-core.h +++ b/drivers/media/video/cx25840/cx25840-core.h @@ -44,6 +44,7 @@ struct cx25840_state { u32 audclk_freq; int audmode; int unmute_volume; /* -1 if not muted */ + int default_volume; int vbi_line_offset; u32 id; u32 rev; |