SOUND_MIXER_LINE3
#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
{ SOUND_MIXER_LINE3, "Aux", 2 },