1/* 2 * ALSA Driver for the PT2258 volume controller. 3 * 4 * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22#ifndef __SOUND_PT2258_H 23#define __SOUND_PT2258_H 24 25struct snd_pt2258 { 26 struct snd_card *card; 27 struct snd_i2c_bus *i2c_bus; 28 struct snd_i2c_device *i2c_dev; 29 30 unsigned char volume[6]; 31 int mute; 32}; 33 34extern int snd_pt2258_reset(struct snd_pt2258 *pt); 35extern int snd_pt2258_build_controls(struct snd_pt2258 *pt); 36 37#endif /* __SOUND_PT2258_H */ 38