check_and_activate_amp  773 sound/pci/hda/hda_generic.c 	check_and_activate_amp(codec, nid, HDA_OUTPUT, 0, 0, enable);
check_and_activate_amp  812 sound/pci/hda/hda_generic.c 		check_and_activate_amp(codec, nid, HDA_INPUT, n, idx, enable);