SB_DSP_LINE_DEV 499 sound/isa/sb/sb_mixer.c SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7); SB_DSP_LINE_DEV 870 sound/isa/sb/sb_mixer.c SB_DSP_LINE_DEV,