input_source
u_char input_source;
unsigned char input_source[NUM_INPUT_DESTS];
u16 input_source;
input_source = 0x100; /* default to analog */
input_source = 0x180; /* set GPIO7 to select Mic */
input_source = 0x0; /* set to Digital */
gpioorg |= input_source;
emu->emu1010.input_source[i] =
emu, i, emu->emu1010.input_source[i]);
ucontrol->value.enumerated.item[0] = emu->emu1010.input_source[channel];
change = (emu->emu1010.input_source[channel] != val);
emu->emu1010.input_source[channel] = val;