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kernel/linux-imx6_3.14.28/include/sound/pt2258.h 1.18 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   *   ALSA Driver for the PT2258 volume controller.
   *
   *	Copyright (c) 2006  Jochen Voss <voss@seehuhn.de>
   *
   *   This program is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU General Public License as published by
   *   the Free Software Foundation; either version 2 of the License, or
   *   (at your option) any later version.
   *
   *   This program is distributed in the hope that it will be useful,
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *   GNU General Public License for more details.
   *
   *   You should have received a copy of the GNU General Public License
   *   along with this program; if not, write to the Free Software
   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   *
   */      
  
  #ifndef __SOUND_PT2258_H
  #define __SOUND_PT2258_H
  
  struct snd_pt2258 {
  	struct snd_card *card;
  	struct snd_i2c_bus *i2c_bus;
  	struct snd_i2c_device *i2c_dev;
  
  	unsigned char volume[6];
  	int mute;
  };
  
  extern int snd_pt2258_reset(struct snd_pt2258 *pt);
  extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
  
  #endif /* __SOUND_PT2258_H */