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#ifndef __INCLUDED_TDA9840__
#define __INCLUDED_TDA9840__

#define I2C_TDA9840             0x42

#define TDA9840_DETECT          _IOR('v',1,int)
/* return values for TDA9840_DETCT */
#define TDA9840_MONO_DETECT             0x0
#define TDA9840_DUAL_DETECT             0x1
#define TDA9840_STEREO_DETECT           0x2
#define TDA9840_INCORRECT_DETECT        0x3

#define TDA9840_SWITCH          _IOW('v',2,int)
/* modes than can be set with TDA9840_SWITCH */
#define TDA9840_SET_MUTE                0x00
#define TDA9840_SET_MONO                0x10
#define TDA9840_SET_STEREO              0x2a
#define TDA9840_SET_LANG1               0x12
#define TDA9840_SET_LANG2               0x1e
#define TDA9840_SET_BOTH                0x1a
#define TDA9840_SET_BOTH_R              0x16
#define TDA9840_SET_EXTERNAL            0x7a

/* values may range between +2.5 and -2.0;
   the value has to be multiplied with 10 */

#define TDA9840_LEVEL_ADJUST    _IOW('v',3,int)

/* values may range between +2.5 and -2.4;
   the value has to be multiplied with 10 */

#define TDA9840_STEREO_ADJUST   _IOW('v',4,int)

/* currently not implemented */
#define TDA9840_TEST            _IOW('v',5,int)

#endif