From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 drivers/mfd/wm8350-i2c.c | 128 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 drivers/mfd/wm8350-i2c.c

(limited to 'drivers/mfd/wm8350-i2c.c')

diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
new file mode 100644
index 00000000..d955faaf
--- /dev/null
+++ b/drivers/mfd/wm8350-i2c.c
@@ -0,0 +1,128 @@
+/*
+ * wm8350-i2c.c  --  Generic I2C driver for Wolfson WM8350 PMIC
+ *
+ * Copyright 2007, 2008 Wolfson Microelectronics PLC.
+ *
+ * Author: Liam Girdwood
+ *         linux@wolfsonmicro.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/wm8350/core.h>
+#include <linux/slab.h>
+
+static int wm8350_i2c_read_device(struct wm8350 *wm8350, char reg,
+				  int bytes, void *dest)
+{
+	int ret;
+
+	ret = i2c_master_send(wm8350->i2c_client, &reg, 1);
+	if (ret < 0)
+		return ret;
+	ret = i2c_master_recv(wm8350->i2c_client, dest, bytes);
+	if (ret < 0)
+		return ret;
+	if (ret != bytes)
+		return -EIO;
+	return 0;
+}
+
+static int wm8350_i2c_write_device(struct wm8350 *wm8350, char reg,
+				   int bytes, void *src)
+{
+	/* we add 1 byte for device register */
+	u8 msg[(WM8350_MAX_REGISTER << 1) + 1];
+	int ret;
+
+	if (bytes > ((WM8350_MAX_REGISTER << 1) + 1))
+		return -EINVAL;
+
+	msg[0] = reg;
+	memcpy(&msg[1], src, bytes);
+	ret = i2c_master_send(wm8350->i2c_client, msg, bytes + 1);
+	if (ret < 0)
+		return ret;
+	if (ret != bytes + 1)
+		return -EIO;
+	return 0;
+}
+
+static int wm8350_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
+{
+	struct wm8350 *wm8350;
+	int ret = 0;
+
+	wm8350 = devm_kzalloc(&i2c->dev, sizeof(struct wm8350), GFP_KERNEL);
+	if (wm8350 == NULL)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, wm8350);
+	wm8350->dev = &i2c->dev;
+	wm8350->i2c_client = i2c;
+	wm8350->read_dev = wm8350_i2c_read_device;
+	wm8350->write_dev = wm8350_i2c_write_device;
+
+	ret = wm8350_device_init(wm8350, i2c->irq, i2c->dev.platform_data);
+	if (ret < 0)
+		goto err;
+
+	return ret;
+
+err:
+	return ret;
+}
+
+static int wm8350_i2c_remove(struct i2c_client *i2c)
+{
+	struct wm8350 *wm8350 = i2c_get_clientdata(i2c);
+
+	wm8350_device_exit(wm8350);
+
+	return 0;
+}
+
+static const struct i2c_device_id wm8350_i2c_id[] = {
+       { "wm8350", 0 },
+       { "wm8351", 0 },
+       { "wm8352", 0 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8350_i2c_id);
+
+
+static struct i2c_driver wm8350_i2c_driver = {
+	.driver = {
+		   .name = "wm8350",
+		   .owner = THIS_MODULE,
+	},
+	.probe = wm8350_i2c_probe,
+	.remove = wm8350_i2c_remove,
+	.id_table = wm8350_i2c_id,
+};
+
+static int __init wm8350_i2c_init(void)
+{
+	return i2c_add_driver(&wm8350_i2c_driver);
+}
+/* init early so consumer devices can complete system boot */
+subsys_initcall(wm8350_i2c_init);
+
+static void __exit wm8350_i2c_exit(void)
+{
+	i2c_del_driver(&wm8350_i2c_driver);
+}
+module_exit(wm8350_i2c_exit);
+
+MODULE_DESCRIPTION("I2C support for the WM8350 AudioPlus PMIC");
+MODULE_LICENSE("GPL");
-- 
cgit