ASoC: tpa6130a2: Support for tpa6140's regulators

tpa6140a2 uses different names for the regulators.

Signed-off-by: Ilkka Koskinen <ilkka.koskinen@nokia.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/sound/tpa6130a2-plat.h b/include/sound/tpa6130a2-plat.h
index e8c901e..e29fde6 100644
--- a/include/sound/tpa6130a2-plat.h
+++ b/include/sound/tpa6130a2-plat.h
@@ -23,7 +23,13 @@
 #ifndef TPA6130A2_PLAT_H
 #define TPA6130A2_PLAT_H
 
+enum tpa_model {
+	TPA6130A2,
+	TPA6140A2,
+};
+
 struct tpa6130a2_platform_data {
+	enum tpa_model id;
 	int power_gpio;
 };