SOUND_MIXER_WRITE_MIC 2256 fs/compat_ioctl.c COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) SOUND_MIXER_WRITE_MIC 1444 sound/oss/dmasound/dmasound_atari.c case SOUND_MIXER_WRITE_MIC: SOUND_MIXER_WRITE_MIC 2573 sound/oss/swarm_cs4297a.c {SOUND_MIXER_WRITE_MIC, 0x0000}