SOUND_MIXER_LINE2  834 include/uapi/linux/soundcard.h #define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
SOUND_MIXER_LINE2  866 include/uapi/linux/soundcard.h #define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
SOUND_MIXER_LINE2  896 include/uapi/linux/soundcard.h #define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
SOUND_MIXER_LINE2 1281 sound/core/oss/mixer_oss.c 		{ SOUND_MIXER_LINE2,	"Aux",			1 },