Function prototype or declaration at include/sound/hdaudio_ext.h, line 31 References: include/sound/hdaudio_ext.h, line 31 sound/hda/ext/hdac_ext_controller.c, line 140 sound/hda/ext/hdac_ext_controller.c, line 163 sound/hda/ext/hdac_ext_controller.c, line 340 sound/hda/ext/hdac_ext_controller.c, line 350 sound/soc/codecs/hdac_hda.c, line 398 sound/soc/codecs/hdac_hda.c, line 517 sound/soc/codecs/hdac_hda.c, line 585 sound/soc/codecs/hdac_hdmi.c, line 1970 sound/soc/codecs/hdac_hdmi.c, line 2148 sound/soc/codecs/hdac_hdmi.c, line 2248 sound/soc/codecs/hdac_hdmi.c, line 2274 sound/soc/intel/skylake/skl-pcm.c, line 559 sound/soc/intel/skylake/skl-pcm.c, line 646 sound/soc/sof/intel/hda-dai.c, line 234 sound/soc/sof/intel/hda-dai.c, line 296 sound/soc/sof/intel/hda-dai.c, line 377 sound/soc/sof/intel/hda-dsp.c, line 924