root/sound/pci/au88x0/au88x0_mixer.c

DEFINITIONS

1. snd_vortex_mixer

/*
 * 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 __devinit 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));
        // Intialize 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));
        return err;
}