SB_DSP_FM_DEV 495 sound/isa/sb/sb_mixer.c SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7); SB_DSP_FM_DEV 528 sound/isa/sb/sb_mixer.c { SB_DSP_FM_DEV, 0 }, SB_DSP_FM_DEV 868 sound/isa/sb/sb_mixer.c SB_DSP_FM_DEV,