1 #ifndef __INCLUDED_TEA6420__
2 #define __INCLUDED_TEA6420__
4 /* possible addresses */
5 #define I2C_TEA6420_1 0x4c
6 #define I2C_TEA6420_2 0x4d
8 struct tea6420_multiplex
10 int in; /* input of audio switch */
11 int out; /* output of audio switch */
12 int gain; /* gain of connection */
15 #define TEA6420_SWITCH _IOW('v',1,struct tea6420_multiplex)