ASoC: wcd: add audio codec drivers for MSM targets

Add snapshot of audio codec drivers for MSM targets from msm-4.4
kernel at the below commit level-

commit c03f0ace8a36 ("msm: ipa: enable suspend pipe for ODU")
(Kernel TIP as on 12-06-2016)

Change-Id: I80408bd56d3183fdedad427d28f857911e1d7738
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
diff --git a/drivers/mfd/wcd9xxx-regmap.h b/drivers/mfd/wcd9xxx-regmap.h
new file mode 100644
index 0000000..6db8fc5
--- /dev/null
+++ b/drivers/mfd/wcd9xxx-regmap.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _WCD9XXX_REGMAP_
+#define _WCD9XXX_REGMAP_
+
+#include <linux/regmap.h>
+#include <linux/mfd/wcd9xxx/core.h>
+
+typedef int (*regmap_patch_fptr)(struct regmap *, int);
+
+#ifdef CONFIG_WCD934X_CODEC
+extern struct regmap_config wcd934x_regmap_config;
+extern int wcd934x_regmap_register_patch(struct regmap *regmap,
+					 int version);
+#endif
+
+#ifdef CONFIG_WCD9335_CODEC
+extern struct regmap_config wcd9335_regmap_config;
+extern int wcd9335_regmap_register_patch(struct regmap *regmap,
+					 int version);
+#endif
+
+#ifdef CONFIG_WCD9330_CODEC
+extern struct regmap_config wcd9330_regmap_config;
+#endif
+
+static inline struct regmap_config *wcd9xxx_get_regmap_config(int type)
+{
+	struct regmap_config *regmap_config;
+
+	switch (type) {
+#ifdef CONFIG_WCD934X_CODEC
+	case WCD934X:
+		regmap_config = &wcd934x_regmap_config;
+		break;
+#endif
+#ifdef CONFIG_WCD9335_CODEC
+	case WCD9335:
+		regmap_config = &wcd9335_regmap_config;
+		break;
+#endif
+#ifdef CONFIG_WCD9330_CODEC
+	case WCD9330:
+		regmap_config = &wcd9330_regmap_config;
+		break;
+#endif
+	default:
+		regmap_config = NULL;
+		break;
+	};
+
+	return regmap_config;
+}
+
+static inline regmap_patch_fptr wcd9xxx_get_regmap_reg_patch(int type)
+{
+	regmap_patch_fptr apply_patch;
+
+	switch (type) {
+#ifdef CONFIG_WCD9335_CODEC
+	case WCD9335:
+		apply_patch = wcd9335_regmap_register_patch;
+		break;
+#endif
+#ifdef CONFIG_WCD934X_CODEC
+	case WCD934X:
+		apply_patch = wcd934x_regmap_register_patch;
+		break;
+#endif
+	default:
+		apply_patch = NULL;
+		break;
+	}
+
+	return apply_patch;
+}
+
+#endif