AC_WID_VOL_KNB 38 sound/pci/hda/hda_proc.c [AC_WID_VOL_KNB] = "Volume Knob Widget", AC_WID_VOL_KNB 587 sound/pci/hda/hda_proc.c if (wid_type == AC_WID_VOL_KNB) AC_WID_VOL_KNB 617 sound/pci/hda/hda_proc.c case AC_WID_VOL_KNB: