ASoC: ak4458: add return value for ak4458_probe

AK4458 is probed successfully even if AK4458 is not present - this
is caused by probe function returning no error on i2c access failure.
Return an error on probe if i2c access has failed.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index eab7c76cfcd931bd06dd050da94bc23e67d567c4..4c5c3ec9260955a091669ce06aa5937881e0c353 100644 (file)
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -536,9 +536,10 @@ static void ak4458_power_on(struct ak4458_priv *ak4458)
        }
 }
 
-static void ak4458_init(struct snd_soc_component *component)
+static int ak4458_init(struct snd_soc_component *component)
 {
        struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
+       int ret;
 
        /* External Mute ON */
        if (ak4458->mute_gpiod)
@@ -546,21 +547,21 @@ static void ak4458_init(struct snd_soc_component *component)
 
        ak4458_power_on(ak4458);
 
-       snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
+       ret = snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
                            0x80, 0x80);   /* ACKS bit = 1; 10000000 */
+       if (ret < 0)
+               return ret;
 
-       ak4458_rstn_control(component, 1);
+       return ak4458_rstn_control(component, 1);
 }
 
 static int ak4458_probe(struct snd_soc_component *component)
 {
        struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
 
-       ak4458_init(component);
-
        ak4458->fs = 48000;
 
-       return 0;
+       return ak4458_init(component);
 }
 
 static void ak4458_remove(struct snd_soc_component *component)