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V4L/DVB (4613): Unmute/mute saa7134 when opening/closing the audio capture device.

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This patch should enable unmuting the audio device when opening it (and
posterior muting when closing it), doing away with the need for unmute ioctls
or v4lctl usage.

Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Ricardo Cerqueira 2006-09-06 06:25:38 -03:00 committed by Mauro Carvalho Chehab
parent c8cd2ad3bb
commit dafcaaf86a
1 changed files with 8 additions and 0 deletions
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8
drivers/media/video/saa7134/saa7134-alsa.c
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@ -590,6 +590,11 @@ static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream)
static int snd_card_saa7134_capture_close(struct snd_pcm_substream * substream)
{
snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
struct saa7134_dev *dev = saa7134->dev;
dev->ctl_mute = 1;
saa7134_tvaudio_setmute(dev);
return 0;
}
@ -631,6 +636,9 @@ static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream)
runtime->private_free = snd_card_saa7134_runtime_free;
runtime->hw = snd_card_saa7134_capture;
dev->ctl_mute = 0;
saa7134_tvaudio_setmute(dev);
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;