ASoC: hdac_hdmi: Fix to keep codec power active during enumeration.

The codec power is turned OFF in the first explicit call to
pm_runtime_suspend to keep the i915 refcount balanced. During regular
operation, the power is turned ON/OFF in runtime PM handlers.
Signed-off-by: Ramesh Babu <ramesh.babu@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/hdac_hdmi.c

@@ -1426,6 +1426,18 @@ static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev)
 	INIT_LIST_HEAD(&hdmi_priv->pcm_list);
 	mutex_init(&hdmi_priv->pin_mutex);
 
+	/*
+	 * Turned off in the runtime_suspend during the first explicit
+	 * pm_runtime_suspend call.
+	 */
+	ret = snd_hdac_display_power(edev->hdac.bus, true);
+	if (ret < 0) {
+		dev_err(&edev->hdac.dev,
+			"Cannot turn on display power on i915 err: %d\n",
+			ret);
+		return ret;
+	}
+
 	ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais);
 	if (ret < 0) {
 		dev_err(&codec->dev,