ASoC: hdmi-codec: Add ELD control

Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/hdmi-codec.c

@@ -65,9 +65,7 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 	struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
 
-	mutex_lock(&hcp->eld_lock);
 	memcpy(ucontrol->value.bytes.data, hcp->eld, sizeof(hcp->eld));
-	mutex_unlock(&hcp->eld_lock);
 
 	return 0;
 }