linux-kernel - [PATCH v2] ASoC: ak4458: check reset control status

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Date:   Mon, 19 Apr 2021 17:54:32 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] ASoC: ak4458: check reset control status

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

check the return value of ak4458_rstn_control.

Signed-off-by: Viorel Suman <viorel.suman@....com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
changes in v2:
- fix "use of undeclared identifier 'ret'" reported by kernel test robot

 sound/soc/codecs/ak4458.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index 85a1d00894a9..3088128816bb 100644
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -334,7 +334,7 @@ static int ak4458_hw_params(struct snd_pcm_substream *substream,
 	struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
 	int pcm_width = max(params_physical_width(params), ak4458->slot_width);
 	u8 format, dsdsel0, dsdsel1;
-	int nfs1, dsd_bclk;
+	int nfs1, dsd_bclk, ret;
 
 	nfs1 = params_rate(params);
 	ak4458->fs = nfs1;
@@ -419,8 +419,13 @@ static int ak4458_hw_params(struct snd_pcm_substream *substream,
 	snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
 			    AK4458_DIF_MASK, format);
 
-	ak4458_rstn_control(component, 0);
-	ak4458_rstn_control(component, 1);
+	ret = ak4458_rstn_control(component, 0);
+	if (ret)
+		return ret;
+
+	ret = ak4458_rstn_control(component, 1);
+	if (ret)
+		return ret;
 
 	return 0;
 }
@@ -429,6 +434,7 @@ static int ak4458_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
 	struct snd_soc_component *component = dai->component;
 	struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
+	int ret;
 
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 	case SND_SOC_DAIFMT_CBS_CFS: /* Slave Mode */
@@ -461,8 +467,13 @@ static int ak4458_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 				      ak4458->fmt == SND_SOC_DAIFMT_PDM ?
 				      AK4458_DP_MASK : 0);
 
-	ak4458_rstn_control(component, 0);
-	ak4458_rstn_control(component, 1);
+	ret = ak4458_rstn_control(component, 0);
+	if (ret)
+		return ret;
+
+	ret = ak4458_rstn_control(component, 1);
+	if (ret)
+		return ret;
 
 	return 0;
 }
-- 
2.27.0