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ASoC: rt5645: check return value after reading device id

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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@realtek.com>
Link: https://lore.kernel.org/r/20230705042915.24932-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shuming Fan 2023-07-05 12:29:14 +08:00 committed by Mark Brown
parent d9ba2975e9
commit bf62eec5cd
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GPG Key ID: 24D68B725D5487D0
1 changed files with 5 additions and 1 deletions
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6
sound/soc/codecs/rt5645.c
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@ -3950,7 +3950,11 @@ 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: