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Commit 223f18e4 authored by Raymond Yau's avatar Raymond Yau Committed by Takashi Iwai
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ALSA: au88x0 - Remove unused "Master Mono" Playback Volume and Playback Switch of ac97 codec 



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: default avatarRaymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f8f5701b

sound/pci/au88x0/au88x0_mixer.c

+11 −0
Original line number Diff line number Diff line
@@ -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;

}