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44 lines
1.1 KiB
44 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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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 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 const 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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