SOUND_MIXER_RADIO 2239 fs/compat_ioctl.c COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) SOUND_MIXER_RADIO 2272 fs/compat_ioctl.c COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) SOUND_MIXER_RADIO 849 include/linux/soundcard.h #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) SOUND_MIXER_RADIO 1268 sound/core/oss/mixer_oss.c { SOUND_MIXER_RADIO, "Radio", 0 },