taglinefilesource code
SOUND_MIXER_IGAIN101drivers/sound/ad1848_mixer.hMIX_ENT(SOUND_MIXER_IGAIN,   0, 0, 0, 4,   1, 0, 0, 4),
SOUND_MIXER_IGAIN149drivers/sound/sb_mixer.hMIX_ENT(SOUND_MIXER_IGAIN,  0x00, 0, 0, 0x00, 0, 0),
SOUND_MIXER_IGAIN167drivers/sound/sb_mixer.hMIX_ENT(SOUND_MIXER_IGAIN,  0x3f, 7, 2, 0x40, 7, 2),
SOUND_MIXER_IGAIN734include/linux/soundcard.h#define SOUND_MASK_IGAIN  (1 << SOUND_MIXER_IGAIN)
SOUND_MIXER_IGAIN757include/linux/soundcard.h#define SOUND_MIXER_READ_IGAIN    MIXER_READ(SOUND_MIXER_IGAIN)
SOUND_MIXER_IGAIN785include/linux/soundcard.h#define SOUND_MIXER_WRITE_IGAIN    MIXER_WRITE(SOUND_MIXER_IGAIN)