V4L/DVB (4613): Unmute/mute saa7134 when opening/closing the audio capture device. (dafcaaf8) · Commits · 戴 / test

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>

drivers/media/video/saa7134/saa7134-alsa.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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;

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