[PATCH 3/5] ASoC: rt1015: return error if any when setting bypass_boost

[Tzung-Bi Shih <tzungbi@xxxxxxxxxx>]

Returns -EBUSY if DAC is using when setting bypass_boost.

Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
---
 sound/soc/codecs/rt1015.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c
index 696e00478991..93e4763ece11 100644
--- a/sound/soc/codecs/rt1015.c
+++ b/sound/soc/codecs/rt1015.c
@@ -548,17 +548,19 @@ 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) {
-		rt1015->bypass_boost = ucontrol->value.integer.value[0];
-		if (rt1015->bypass_boost == RT1015_Bypass_Boost &&
+	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) {
-			rt1015_calibrate(rt1015);
-			rt1015->cali_done = 1;
+		rt1015_calibrate(rt1015);
+		rt1015->cali_done = 1;
 
-			regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
-		}
-	} else
-		dev_err(component->dev, "DAC is being used!\n");
+		regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
+	}
 
 	return 0;
 }
-- 
2.29.2.729.g45daf8777d-goog