forked from luck/tmp_suning_uos_patched
223f18e448
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>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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* Vortex Mixer support.
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*
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* There is much more than just the AC97 mixer...
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*
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*/
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#include <linux/time.h>
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#include <linux/init.h>
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#include <sound/core.h>
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#include "au88x0.h"
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static int remove_ctl(struct snd_card *card, const char *name)
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{
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struct snd_ctl_elem_id id;
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memset(&id, 0, sizeof(id));
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strcpy(id.name, name);
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id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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return snd_ctl_remove_id(card, &id);
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}
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static int __devinit snd_vortex_mixer(vortex_t * vortex)
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{
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struct snd_ac97_bus *pbus;
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struct snd_ac97_template ac97;
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int err;
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static struct snd_ac97_bus_ops ops = {
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.write = vortex_codec_write,
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.read = vortex_codec_read,
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};
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if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
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return err;
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memset(&ac97, 0, sizeof(ac97));
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// Initialize AC97 codec stuff.
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ac97.private_data = vortex;
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ac97.scaps = AC97_SCAP_NO_SPDIF;
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err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
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vortex->isquad = ((vortex->codec == NULL) ? 0 : (vortex->codec->ext_id&0x80));
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remove_ctl(vortex->card, "Master Mono Playback Volume");
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remove_ctl(vortex->card, "Master Mono Playback Switch");
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return err;
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}
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