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      1 /*
      2  *   ALSA Driver for the PT2258 volume controller.
      3  *
      4  *	Copyright (c) 2006  Jochen Voss <voss (at) 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 
     25 struct 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 
     34 extern int snd_pt2258_reset(struct snd_pt2258 *pt);
     35 extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
     36 
     37 #endif /* __SOUND_PT2258_H */
     38