Unverified Commit bf62eec5 authored by Shuming Fan's avatar Shuming Fan Committed by Mark Brown
Browse files

ASoC: rt5645: check return value after reading device id 



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: default avatarShuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20230705042915.24932-1-shumingf@realtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d9ba2975

sound/soc/codecs/rt5645.c

+5 −1
Original line number Diff line number Diff line
@@ -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: