thinkpad-acpi: be more strict when detecting a ThinkPad
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / sound / pt2258.h
blob160f812faa428841f127a501efb562eb80fba850
1 /*
2 * ALSA Driver for the PT2258 volume controller.
4 * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
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.
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.
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
20 */
22 #ifndef __SOUND_PT2258_H
23 #define __SOUND_PT2258_H
25 struct snd_pt2258 {
26 struct snd_card *card;
27 struct snd_i2c_bus *i2c_bus;
28 struct snd_i2c_device *i2c_dev;
30 unsigned char volume[6];
31 int mute;
34 extern int snd_pt2258_reset(struct snd_pt2258 *pt);
35 extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
37 #endif /* __SOUND_PT2258_H */