diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-07-17 19:26:45 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 14:28:07 +0400 |
| commit | ca130eef2ca185739a440b893e69fe36038b87c9 (patch) | |
| tree | e35b288f2a6c1ba816e0ba524ca8966cbab9d147 /drivers/media/video/cx18 | |
| 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/cx18')
| -rw-r--r-- | drivers/media/video/cx18/cx18-av-core.c | 5 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-av-core.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c index 3ccdf613bce0..124014253569 100644 --- a/drivers/media/video/cx18/cx18-av-core.c +++ b/drivers/media/video/cx18/cx18-av-core.c @@ -80,6 +80,7 @@ static void log_video_status(struct cx18 *cx); static void cx18_av_initialize(struct cx18 *cx) { + struct cx18_av_state *state = &cx->av_state; u32 v; cx18_av_loadfw(cx); @@ -159,6 +160,8 @@ static void cx18_av_initialize(struct cx18 *cx) /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ /* } */ cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); + state->default_volume = 228 - cx18_av_read(cx, 0x8d4); + state->default_volume = ((state->default_volume / 2) + 23) << 9; } /* ----------------------------------------------------------------------- */ @@ -559,6 +562,8 @@ int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg) 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: diff --git a/drivers/media/video/cx18/cx18-av-core.h b/drivers/media/video/cx18/cx18-av-core.h index b54239959a68..49e31bccc557 100644 --- a/drivers/media/video/cx18/cx18-av-core.h +++ b/drivers/media/video/cx18/cx18-av-core.h @@ -79,6 +79,7 @@ struct cx18_av_state { u32 audclk_freq; int audmode; int vbi_line_offset; + int default_volume; u32 id; u32 rev; int is_initialized; |