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
  25 struct 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
  34 extern int snd_pt2258_reset(struct snd_pt2258 *pt);
  35 extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
  36
  37 #endif /* __SOUND_PT2258_H */