[PATCH 1/2] ASoC: ak4458: rstn_control - return a non-zero on error only

[Viorel Suman]

snd_soc_component_update_bits() may return 1 if operation
was successful and the value of the register changed.
Return a non-zero in ak4458_rstn_control for an error only.

Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
Signed-off-by: Viorel Suman <viorel.suman@xxxxxxx>
---
 sound/soc/codecs/ak4458.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index eab7c76..4795e32 100644
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -304,7 +304,8 @@ static int ak4458_rstn_control(struct snd_soc_component *component, int bit)
 					  AK4458_00_CONTROL1,
 					  AK4458_RSTN_MASK,
 					  0x0);
-	return ret;
+	/* Return a negative error code only. */
+	return (ret < 0 ? ret : 0);
 }
 
 static int ak4458_hw_params(struct snd_pcm_substream *substream,
-- 
2.7.4