esoc: Snapshot esoc drivers

Snapshot esoc components, headers and UAPI headers from
msm-3.18@0922caf50f22e751a05e
(Merge "usb: dwc3-msm: Fix incorrect roles with
multiple instances")

Change-Id: I55e7ea4359c1f5b855f082e66d5816316da2fd48
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/include/linux/esoc_client.h b/include/linux/esoc_client.h
new file mode 100644
index 000000000000..43c03389ecac
--- /dev/null
+++ b/include/linux/esoc_client.h
@@ -0,0 +1,53 @@
+/* Copyright (c) 2014, 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 __ESOC_CLIENT_H_
+#define __ESOC_CLIENT_H_
+
+#include <linux/device.h>
+#include <linux/esoc_ctrl.h>
+#include <linux/notifier.h>
+
+/*
+ * struct esoc_desc: Describes an external soc
+ * @name: external soc name
+ * @priv: private data for external soc
+ */
+struct esoc_desc {
+	const char *name;
+	const char *link;
+	void *priv;
+};
+
+#ifdef CONFIG_ESOC_CLIENT
+/* Can return probe deferral */
+struct esoc_desc *devm_register_esoc_client(struct device *dev,
+							const char *name);
+void devm_unregister_esoc_client(struct device *dev,
+						struct esoc_desc *esoc_desc);
+int esoc_register_client_notifier(struct notifier_block *nb);
+#else
+static inline struct esoc_desc *devm_register_esoc_client(struct device *dev,
+							const char *name)
+{
+	return NULL;
+}
+static inline void devm_unregister_esoc_client(struct device *dev,
+						struct esoc_desc *esoc_desc)
+{
+	return;
+}
+static inline int esoc_register_client_notifier(struct notifier_block *nb)
+{
+	return -EIO;
+}
+#endif
+#endif