SOUND_MIXER_DIGITAL1
#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
{ SOUND_MIXER_DIGITAL1, "Digital", 0 },
{ SOUND_MIXER_DIGITAL1, "IEC958", 0 }, /* fallback */
{ SOUND_MIXER_DIGITAL1, "IEC958 Optical", 0 }, /* fallback */
{ SOUND_MIXER_DIGITAL1, "IEC958 Coaxial", 0 }, /* fallback */