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 --- 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 baf990a..7156215 100644 --- a/sound/soc/codecs/ak4458.c +++ b/sound/soc/codecs/ak4458.c @@ -539,9 +539,10 @@ 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) @@ -549,21 +550,21 @@ 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)