_snd_hdac_read_parm 129 include/sound/hdaudio.h int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm, _snd_hdac_read_parm 171 include/sound/hdaudio.h return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val; _snd_hdac_read_parm 295 sound/hda/hdac_device.c EXPORT_SYMBOL_GPL(_snd_hdac_read_parm);