[ALSA] ice1724 - Add PCM Playback Switch to Revo 7.1
This patch adds the support of mute for front channels of M-Audio
Revolution 7.1 (the DAC AK4381 features a mute bit).
Signed-off-by: Pavel Hofman <dustin@seznam.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 690ceb3..d18a31e 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -186,7 +186,12 @@
#define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
static const struct snd_akm4xxx_dac_channel revo71_front[] = {
- AK_DAC("PCM Playback Volume", 2)
+ {
+ .name = "PCM Playback Volume",
+ .num_channels = 2,
+ /* front channels DAC supports muting */
+ .switch_name = "PCM Playback Switch",
+ },
};
static const struct snd_akm4xxx_dac_channel revo71_surround[] = {