-#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
-