ASoC: Show device id in the debug message

Show the id we read when the id mismatch is detected.
This is useful for debugging.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 172dcac..5a6516e 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3718,7 +3718,7 @@
 	}
 	if (reg != 0x6243) {
 		dev_err(&i2c->dev,
-			"Device is not a WM8962, ID %x != 0x6243\n", ret);
+			"Device is not a WM8962, ID %x != 0x6243\n", reg);
 		ret = -EINVAL;
 		goto err_regmap;
 	}