HelenOS sources

SB_MIXER_UNKNOWN   98 uspace/drv/audio/sb16/mixer.c 	[SB_MIXER_UNKNOWN] = { NULL, 0 },
SB_MIXER_UNKNOWN  120 uspace/drv/audio/sb16/mixer.c 		[SB_MIXER_UNKNOWN] = "Unknown mixer",
SB_MIXER_UNKNOWN  130 uspace/drv/audio/sb16/mixer.c 	if (type == SB_MIXER_UNKNOWN)
SB_MIXER_UNKNOWN   74 uspace/drv/audio/sb16/sb16.c 		return SB_MIXER_UNKNOWN;