On Mon, May 13, 2019 at 1:05 PM Viorel Suman viorel.suman@nxp.com wrote:
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
Reviewed-by: Daniel Baluta daniel.baluta@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)
2.7.4
Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel