ASoc: tas2783A: Fix an error code in probe()

This code returns the wrong variable "tas_dev->regmap" instead of
"regmap" so it returns success instead of a negative error code.
Return the correct variable.

Fixes: 4cc9bd8 ("ASoc: tas2783A: Add soundwire based codec driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aNYQf4cyavnku5Nt@stanley.mountain
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Dan Carpenter

sound/soc/codecs/tas2783-sdw.c

@@ -1285,7 +1285,7 @@ static s32 tas_sdw_probe(struct sdw_slave *peripheral,
 					      &tas_regmap,
 					      &tas2783_mbq_cfg);
 	if (IS_ERR(regmap))
-		return dev_err_probe(dev, PTR_ERR(tas_dev->regmap),
+		return dev_err_probe(dev, PTR_ERR(regmap),
 				     "Failed devm_regmap_init_sdw.");
 
 	/* keep in cache until the device is fully initialized */