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ALSA: au88x0 - Remove unused "Master Mono" Playback Volume and Playback Switch of ac97 codec

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Remove "Master Mono Playback Volume" and "Master Mono Playback Switch"
of ac97 mixer since au88x0 does no use "Master Mono Pin" of AC97 codec
even au88x0 support mono playback

Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Raymond Yau 2012-06-04 14:59:55 +08:00 committed by Takashi Iwai
parent f8f5701bda
commit 223f18e448
1 changed files with 11 additions and 0 deletions
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11
sound/pci/au88x0/au88x0_mixer.c
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@ -10,6 +10,15 @@
#include <sound/core.h>
#include "au88x0.h"
static int remove_ctl(struct snd_card *card, const char *name)
{
struct snd_ctl_elem_id id;
memset(&id, 0, sizeof(id));
strcpy(id.name, name);
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_remove_id(card, &id);
}
static int __devinit snd_vortex_mixer(vortex_t * vortex)
{
struct snd_ac97_bus *pbus;
@ -28,5 +37,7 @@ static int __devinit snd_vortex_mixer(vortex_t * vortex)
ac97.scaps = AC97_SCAP_NO_SPDIF;
err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
vortex->isquad = ((vortex->codec == NULL) ? 0 : (vortex->codec->ext_id&0x80));
remove_ctl(vortex->card, "Master Mono Playback Volume");
remove_ctl(vortex->card, "Master Mono Playback Switch");
return err;
}