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Sourcecode: alsa-driver version File versions

au88x0_mixer.c

/*
 * Vortex Mixer support.
 *
 * There is much more than just the AC97 mixer...
 *
 */

#include <sound/driver.h>
#include <linux/time.h>
#include <linux/init.h>
#include <sound/core.h>
#include "au88x0.h"

static int __devinit snd_vortex_mixer(vortex_t * vortex)
{
      ac97_bus_t *pbus;
      ac97_template_t ac97;
      int err;
      static ac97_bus_ops_t 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;
      err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
      vortex->isquad = ((vortex->codec == NULL) ?  0 : (vortex->codec->ext_id&0x80));
      return err;
}

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