From: Shuming Fan <shumingf@xxxxxxxxxxx>
If the I2C controller encounters some problems like timed-out, the codec
driver will report the error code for the first read.
Signed-off-by: Shuming Fan <shumingf@xxxxxxxxxxx>
---
sound/soc/codecs/rt5645.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index c0d56a8f7f47..b0953e9bcaf9 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3967,7 +3967,11 @@ static int rt5645_i2c_probe(struct i2c_client *i2c)
* read and power On.
*/
msleep(TIME_TO_POWER_MS);
- regmap_read(regmap, RT5645_VENDOR_ID2, &val);
+ ret = regmap_read(regmap, RT5645_VENDOR_ID2, &val);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to read: 0x%02X\n, ret = %d", RT5645_VENDOR_ID2, ret);
+ goto err_enable;
+ }
switch (val) {
case RT5645_DEVICE_ID:
--
2.41.0
