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 */