add_control_with_pfx 1000 sound/pci/hda/hda_generic.c add_control_with_pfx(spec, type, pfx, "Playback", "Volume", 0, val) add_control_with_pfx 1002 sound/pci/hda/hda_generic.c add_control_with_pfx(spec, type, pfx, "Playback", "Switch", 0, val) add_control_with_pfx 1004 sound/pci/hda/hda_generic.c add_control_with_pfx(spec, type, pfx, "Playback", "Volume", cidx, val) add_control_with_pfx 1006 sound/pci/hda/hda_generic.c add_control_with_pfx(spec, type, pfx, "Playback", "Switch", cidx, val)