1 #ifndef __INCLUDED_TDA9840__
2 #define __INCLUDED_TDA9840__
4 #define I2C_TDA9840 0x42
6 #define TDA9840_DETECT _IOR('v',1,int)
7 /* return values for TDA9840_DETCT */
8 #define TDA9840_MONO_DETECT 0x0
9 #define TDA9840_DUAL_DETECT 0x1
10 #define TDA9840_STEREO_DETECT 0x2
11 #define TDA9840_INCORRECT_DETECT 0x3
13 #define TDA9840_SWITCH _IOW('v',2,int)
14 /* modes than can be set with TDA9840_SWITCH */
15 #define TDA9840_SET_MUTE 0x00
16 #define TDA9840_SET_MONO 0x10
17 #define TDA9840_SET_STEREO 0x2a
18 #define TDA9840_SET_LANG1 0x12
19 #define TDA9840_SET_LANG2 0x1e
20 #define TDA9840_SET_BOTH 0x1a
21 #define TDA9840_SET_BOTH_R 0x16
22 #define TDA9840_SET_EXTERNAL 0x7a
24 /* values may range between +2.5 and -2.0;
25 the value has to be multiplied with 10 */
26 #define TDA9840_LEVEL_ADJUST _IOW('v',3,int)
28 /* values may range between +2.5 and -2.4;
29 the value has to be multiplied with 10 */
30 #define TDA9840_STEREO_ADJUST _IOW('v',4,int)
32 /* currently not implemented */
33 #define TDA9840_TEST _IOW('v',5,int)