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kernel add
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/*
* Vortex Mixer support.
*
* There is much more than just the AC97 mixer...
*
*/
#include <linux/time.h>
#include <linux/init.h>
#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 snd_vortex_mixer(vortex_t *vortex)
{
struct snd_ac97_bus *pbus;
struct snd_ac97_template ac97;
int err;
static struct snd_ac97_bus_ops ops = {
.write = vortex_codec_write,
.read = vortex_codec_read,
};
if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
return err;
memset(&ac97, 0, sizeof(ac97));
// Initialize AC97 codec stuff.
ac97.private_data = 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;
}
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