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V4L/DVB (5998): ivtv: no need to mute the audio input

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When changing channels the audio has to be muted. This is done 
by calling CX2341X_ENC_MUTE_AUDIO and by muted the audio input. 
The latter is not necessary and is now removed.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2007-08-05 08:02:45 -03:00 committed by Mauro Carvalho Chehab
parent 87410dab12
commit 9085009683
1 changed files with 0 additions and 11 deletions
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11
drivers/media/video/ivtv/ivtv-fileops.c
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@ -924,21 +924,13 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp)
void ivtv_mute(struct ivtv *itv)
{
struct v4l2_control ctrl = { V4L2_CID_AUDIO_MUTE, 1 };
/* Mute sound to avoid pop */
ivtv_control_ioctls(itv, VIDIOC_S_CTRL, &ctrl);
if (atomic_read(&itv->capturing))
ivtv_vapi(itv, CX2341X_ENC_MUTE_AUDIO, 1, 1);
IVTV_DEBUG_INFO("Mute\n");
}
void ivtv_unmute(struct ivtv *itv)
{
struct v4l2_control ctrl = { V4L2_CID_AUDIO_MUTE, 0 };
/* initialize or refresh input */
if (atomic_read(&itv->capturing) == 0)
ivtv_vapi(itv, CX2341X_ENC_INITIALIZE_INPUT, 0);
@ -949,8 +941,5 @@ void ivtv_unmute(struct ivtv *itv)
ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12);
ivtv_vapi(itv, CX2341X_ENC_MUTE_AUDIO, 1, 0);
}
/* Unmute */
ivtv_control_ioctls(itv, VIDIOC_S_CTRL, &ctrl);
IVTV_DEBUG_INFO("Unmute\n");
}