1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * ALSA Driver for the PT2258 volume controller. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __SOUND_PT2258_H 9*4882a593Smuzhiyun #define __SOUND_PT2258_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct snd_pt2258 { 12*4882a593Smuzhiyun struct snd_card *card; 13*4882a593Smuzhiyun struct snd_i2c_bus *i2c_bus; 14*4882a593Smuzhiyun struct snd_i2c_device *i2c_dev; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun unsigned char volume[6]; 17*4882a593Smuzhiyun int mute; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun extern int snd_pt2258_reset(struct snd_pt2258 *pt); 21*4882a593Smuzhiyun extern int snd_pt2258_build_controls(struct snd_pt2258 *pt); 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #endif /* __SOUND_PT2258_H */ 24