ae5_headphone_gain_set
static int ae5_headphone_gain_set(struct hda_codec *codec, long val);
ae5_headphone_gain_set(codec, 2);
ae5_headphone_gain_set(codec,
ae5_headphone_gain_set(codec, spec->ae5_headphone_gain_val);
static const struct ae5_headphone_gain_set ae5_headphone_gain_presets[] = {