ASoC: cs42l73: Show correct revision id

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/cs42l73.c

@@ -1383,7 +1383,7 @@ static __devinit int cs42l73_i2c_probe(struct i2c_client *i2c_client,
 	}
 
 	dev_info(&i2c_client->dev,
-		 "Cirrus Logic CS42L73, Revision: %02X\n", ret & 0xFF);
+		 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
 
 	regcache_cache_only(cs42l73->regmap, true);