include/sound/tea6330t.h

   1 #ifndef __SOUND_TEA6330T_H
   2 #define __SOUND_TEA6330T_H
   3
   4 /*
   5  *  Routines for control of TEA6330T circuit.
   6  *  Sound fader control circuit for car radios.
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  *
  23  */
  24
  25 #include "control.h"
  26 #include "i2c.h"                /* generic i2c support */
  27
  28 typedef struct {
  29         snd_i2c_device_t *device;
  30         snd_i2c_bus_t *bus;
  31         int equalizer;
  32         int fader;
  33         unsigned char regs[8];
  34         unsigned char mleft, mright;
  35         unsigned char bass, treble;
  36         unsigned char max_bass, max_treble;
  37 } tea6330t_t;
  38
  39 extern int snd_tea6330t_detect(snd_i2c_bus_t *bus, int equalizer);
  40 extern int snd_tea6330t_update_mixer(snd_card_t * card, snd_i2c_bus_t * bus, int equalizer, int fader);
  41
  42 #endif /* __SOUND_TEA6330T_H */