linux-kernel - [PATCH AUTOSEL 4.19 04/34] ASoC: ak4458: rstn_control

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Message-Id: <20190626034335.23767-4-sashal@kernel.org>
Date:   Tue, 25 Jun 2019 23:43:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Viorel Suman <viorel.suman@....com>,
        Shengjiu Wang <shengjiu.wang@....com>,
        Daniel Baluta <daniel.baluta@....com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.19 04/34] ASoC: ak4458: rstn_control - return a non-zero on error only

From: Viorel Suman <viorel.suman@....com>

[ Upstream commit 176a11834b65ec35e3b7a953f87fb9cc41309497 ]

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@....com>
Signed-off-by: Viorel Suman <viorel.suman@....com>
Reviewed-by: Daniel Baluta <daniel.baluta@....com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/ak4458.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index 58b6ca1de993..3bd57c02e6fd 100644
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -272,7 +272,10 @@ static int ak4458_rstn_control(struct snd_soc_component *component, int bit)
 					  AK4458_00_CONTROL1,
 					  AK4458_RSTN_MASK,
 					  0x0);
-	return ret;
+	if (ret < 0)
+		return ret;
+
+	return 0;
 }
 
 static int ak4458_hw_params(struct snd_pcm_substream *substream,
-- 
2.20.1