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@xxxxxxx>
Signed-off-by: Viorel Suman <viorel.suman@xxxxxxx>
---
sound/soc/codecs/ak4458.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index 4795e32..d192774353 100644
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -537,9 +537,10 @@ 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)
@@ -547,21 +548,21 @@ 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)
--
2.7.4
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
