SOUND_MIXER_WRITE_VOLUME 755 fs/compat_ioctl.c COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) SOUND_MIXER_WRITE_VOLUME 1376 sound/oss/dmasound/dmasound_atari.c case SOUND_MIXER_WRITE_VOLUME: SOUND_MIXER_WRITE_VOLUME 633 sound/oss/dmasound/dmasound_paula.c case SOUND_MIXER_WRITE_VOLUME: