SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT
[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT] = "ADAT on optical interface",
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;