SOUND_MIXER_DIGITAL2 2234 fs/compat_ioctl.c COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) SOUND_MIXER_DIGITAL2 2267 fs/compat_ioctl.c COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) SOUND_MIXER_DIGITAL2 845 include/linux/soundcard.h #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) SOUND_MIXER_DIGITAL2 1260 sound/core/oss/mixer_oss.c { SOUND_MIXER_DIGITAL2, "Digital", 1 },