SOUND_MIXER_LOUD
MIX(sc).ctl = SOUND_MIXER_LOUD; /* Is this correct ? */
MIX(sc).ctl = SOUND_MIXER_LOUD; /* Is this correct ? */
#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)