ASoC: core: Set dapm->idle_bias_off for DAIs not mapped with a codec

The idle_bias_off flag is not configured for DAIs not mapped with a codec.
This causes the pm counter to be increased at probe time for the CPU dai
which unbalances the pm counter handling.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/soc-core.c

@@ -3715,6 +3715,9 @@ int snd_soc_register_dai(struct device *dev,
 		}
 	}
 
+	if (!dai->codec)
+		dai->dapm.idle_bias_off = 1;
+
 	list_add(&dai->list, &dai_list);
 
 	mutex_unlock(&client_mutex);
@@ -3803,6 +3806,9 @@ int snd_soc_register_dais(struct device *dev,
 			}
 		}
 
+		if (!dai->codec)
+			dai->dapm.idle_bias_off = 1;
+
 		list_add(&dai->list, &dai_list);
 
 		mutex_unlock(&client_mutex);