include/sound/pt2258.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *   ALSA Driver for the PT2258 volume controller.
   4  *
   5  *      Copyright (c) 2006  Jochen Voss <voss@seehuhn.de>
   6  */
   7
   8 #ifndef __SOUND_PT2258_H
   9 #define __SOUND_PT2258_H
  10
  11 struct snd_pt2258 {
  12         struct snd_card *card;
  13         struct snd_i2c_bus *i2c_bus;
  14         struct snd_i2c_device *i2c_dev;
  15
  16         unsigned char volume[6];
  17         int mute;
  18 };
  19
  20 extern int snd_pt2258_reset(struct snd_pt2258 *pt);
  21 extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
  22
  23 #endif /* __SOUND_PT2258_H */