ASoC: rt1015: return error if any when setting bypass_boost

Returns -EBUSY if DAC is using when setting bypass_boost.
Signed-off-by: NTzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20201224100607.3006171-4-tzungbi@google.comSigned-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/rt1015.c

@@ -528,7 +528,11 @@ static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
 	struct rt1015_priv *rt1015 =
 		snd_soc_component_get_drvdata(component);
 
-	if (!rt1015->dac_is_used) {
+	if (rt1015->dac_is_used) {
+		dev_err(component->dev, "DAC is being used!\n");
+		return -EBUSY;
+	}
+
 	rt1015->bypass_boost = ucontrol->value.integer.value[0];
 	if (rt1015->bypass_boost == RT1015_Bypass_Boost &&
 			!rt1015->cali_done) {
@@ -537,8 +541,6 @@ static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
 
 		regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
 	}
-	} else
-		dev_err(component->dev, "DAC is being used!\n");
 
 	return 0;
 }