param_read
unsigned int pcm = param_read(codec, nid, AC_PAR_PCM);
unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
caps = param_read(codec, nid, AC_PAR_PIN_CAP);
unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
caps = param_read(codec, nid, dir == HDA_OUTPUT ?