au88x0_mixer.c 799 B

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  1. /*
  2. * Vortex Mixer support.
  3. *
  4. * There is much more than just the AC97 mixer...
  5. *
  6. */
  7. #include <sound/driver.h>
  8. #include <linux/time.h>
  9. #include <linux/init.h>
  10. #include <sound/core.h>
  11. #include "au88x0.h"
  12. static int __devinit snd_vortex_mixer(vortex_t * vortex)
  13. {
  14. struct snd_ac97_bus *pbus;
  15. struct snd_ac97_template ac97;
  16. int err;
  17. static struct snd_ac97_bus_ops ops = {
  18. .write = vortex_codec_write,
  19. .read = vortex_codec_read,
  20. };
  21. if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
  22. return err;
  23. memset(&ac97, 0, sizeof(ac97));
  24. // Intialize AC97 codec stuff.
  25. ac97.private_data = vortex;
  26. ac97.scaps = AC97_SCAP_NO_SPDIF;
  27. err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
  28. vortex->isquad = ((vortex->codec == NULL) ? 0 : (vortex->codec->ext_id&0x80));
  29. return err;
  30. }