pt2258.h 1.2 KB

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  1. /*
  2. * ALSA Driver for the PT2258 volume controller.
  3. *
  4. * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. *
  20. */
  21. #ifndef __SOUND_PT2258_H
  22. #define __SOUND_PT2258_H
  23. struct snd_pt2258 {
  24. struct snd_card *card;
  25. struct snd_i2c_bus *i2c_bus;
  26. struct snd_i2c_device *i2c_dev;
  27. unsigned char volume[6];
  28. int mute;
  29. };
  30. extern int snd_pt2258_reset(struct snd_pt2258 *pt);
  31. extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
  32. #endif /* __SOUND_PT2258_H */