LXR linux/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
  11struct 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
  20extern int snd_pt2258_reset(struct snd_pt2258 *pt);
  21extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
  22
  23#endif /* __SOUND_PT2258_H */
  24