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

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
View File

@ -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;