ASoC: add RT5651 CODEC driver

This patch adds the Realtek ALC5651 codec driver.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/include/sound/rt5651.h b/include/sound/rt5651.h
new file mode 100644
index 0000000..d35de75
--- /dev/null
+++ b/include/sound/rt5651.h
@@ -0,0 +1,21 @@
+/*
+ * linux/sound/rt286.h -- Platform data for RT286
+ *
+ * Copyright 2013 Realtek Microelectronics
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_RT5651_H
+#define __LINUX_SND_RT5651_H
+
+struct rt5651_platform_data {
+	/* IN2 can optionally be differential */
+	bool in2_diff;
+
+	bool dmic_en;
+};
+
+#endif