ASoC: cs35l41: Don't overwrite returned error code

In multiple places the driver overwrites the error code returned with
a static error code, this is not helpful for debugging. Update to pass
the error codes straight through.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210914141349.30218-4-ckeepax@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs35l41.c

@@ -317,7 +317,6 @@ static int cs35l41_otp_unpack(void *data)
 	ret = regmap_read(cs35l41->regmap, CS35L41_OTPID, &otp_id_reg);
 	if (ret < 0) {
 		dev_err(cs35l41->dev, "Read OTP ID failed\n");
-		ret = -EINVAL;
 		goto err_otp_unpack;
 	}
 
@@ -337,7 +336,6 @@ static int cs35l41_otp_unpack(void *data)
 						CS35L41_OTP_SIZE_WORDS);
 	if (ret < 0) {
 		dev_err(cs35l41->dev, "Read OTP Mem failed\n");
-		ret = -EINVAL;
 		goto err_otp_unpack;
 	}
 
@@ -352,13 +350,11 @@ static int cs35l41_otp_unpack(void *data)
 	ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00000055);
 	if (ret < 0) {
 		dev_err(cs35l41->dev, "Write Unlock key failed 1/2\n");
-		ret = -EINVAL;
 		goto err_otp_unpack;
 	}
 	ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x000000AA);
 	if (ret < 0) {
 		dev_err(cs35l41->dev, "Write Unlock key failed 2/2\n");
-		ret = -EINVAL;
 		goto err_otp_unpack;
 	}
 
@@ -398,7 +394,6 @@ static int cs35l41_otp_unpack(void *data)
 						otp_val << otp_map[i].shift);
 			if (ret < 0) {
 				dev_err(cs35l41->dev, "Write OTP val failed\n");
-				ret = -EINVAL;
 				goto err_otp_unpack;
 			}
 		}
@@ -407,13 +402,11 @@ static int cs35l41_otp_unpack(void *data)
 	ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x000000CC);
 	if (ret < 0) {
 		dev_err(cs35l41->dev, "Write Lock key failed 1/2\n");
-		ret = -EINVAL;
 		goto err_otp_unpack;
 	}
 	ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00000033);
 	if (ret < 0) {
 		dev_err(cs35l41->dev, "Write Lock key failed 2/2\n");
-		ret = -EINVAL;
 		goto err_otp_unpack;
 	}
 	ret = 0;
@@ -1413,7 +1406,6 @@ int cs35l41_probe(struct cs35l41_private *cs35l41,
 	/* CS35L41 needs INT for PDN_DONE */
 	if (ret != 0) {
 		dev_err(cs35l41->dev, "Failed to request IRQ: %d\n", ret);
-		ret = -ENODEV;
 		goto err;
 	}