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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_H9#define __SOUND_PT2258_H10 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