LXR linux/include/sound/pt2258.h

   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
  22#ifndef __SOUND_PT2258_H
  23#define __SOUND_PT2258_H
  24
  25struct snd_pt2258 {
  26        struct snd_card *card;
  27        struct snd_i2c_bus *i2c_bus;
  28        struct snd_i2c_device *i2c_dev;
  29
  30        unsigned char volume[6];
  31        int mute;
  32};
  33
  34extern int snd_pt2258_reset(struct snd_pt2258 *pt);
  35extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
  36
  37#endif /* __SOUND_PT2258_H */
  38