SOUND_MIXER_VOLUME 819 include/uapi/linux/soundcard.h #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) SOUND_MIXER_VOLUME 851 include/uapi/linux/soundcard.h #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) SOUND_MIXER_VOLUME 881 include/uapi/linux/soundcard.h #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) SOUND_MIXER_VOLUME 1259 sound/core/oss/mixer_oss.c { SOUND_MIXER_VOLUME, "Master", 0 }, SOUND_MIXER_VOLUME 1260 sound/core/oss/mixer_oss.c { SOUND_MIXER_VOLUME, "Front", 0 }, /* fallback */