SB_DSP_CD_DEV 520 sound/isa/sb/sb_mixer.c SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7), SB_DSP_CD_DEV 815 sound/isa/sb/sb_mixer.c SB_DSP_CD_DEV,