drivers/misc: remove unused ac_usb_switch driver

Change-Id: I0325879cbeaeb849f23cff745b9b31ea57509a11
Signed-off-by: Tao Huang <huangtao@rock-chips.com>

1 files changed, 0 insertions, 218 deletions

diff --git a/drivers/misc/ac_usb_switch.c b/drivers/misc/ac_usb_switch.c
deleted file mode 100644
index 111f1cd2c3ed..000000000000
--- a/drivers/misc/ac_usb_switch.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/input.h>

-#include <linux/module.h>

-#include <linux/init.h>

-#include <linux/interrupt.h>

-#include <linux/kernel.h>

-#include <linux/fcntl.h>

-#include <linux/delay.h>

-#include <linux/device.h>

-#include <linux/miscdevice.h>

-#include <asm/types.h>

-#include <mach/gpio.h>

-#include <mach/iomux.h>

-#include <linux/platform_device.h>

-#include <asm/uaccess.h>

-#include <linux/wait.h>

-#include <mach/board.h>

-

-#if 1

-#define DBG(x...)	printk(KERN_INFO x)

-#else

-#define DBG(x...)

-#endif

-#define PC_DISPLAY_MODE 2

-#define ANDROID_DISPLAY_MODE   1

-

-#define USB_SWITCH_IOCTL_BASE 'u'

-#define USB_SWITCH_IOCTL_SET_USB_SWITCH_MODE		_IOW(USB_SWITCH_IOCTL_BASE, 0x01, int)

-#define USB_SWITCH_IOCTL_GET_PC_STATE		_IOR(USB_SWITCH_IOCTL_BASE, 0x02, int)

-

-static struct ac_usb_switch_platform_data *ac_usb_switch;

-

-

-static int setUsbSwitchMode(int mode){

-	struct ac_usb_switch_platform_data *pdata = ac_usb_switch;

-	if(pdata->usb_switch_pin == INVALID_GPIO){

-		DBG(" error ac_usb_switch_pin is null !!!\n");

-		return -1;

-	}

-	switch(mode){

-		case PC_DISPLAY_MODE:

-			gpio_set_value(pdata->usb_switch_pin,GPIO_LOW);			

-			break;

-		case ANDROID_DISPLAY_MODE:

-			gpio_set_value(pdata->usb_switch_pin,GPIO_HIGH);

-			break;

-		default:

-		break;

-	}

-	return 0;

-}

-static int getPCstate(){

-	return 1;

-}

-

-static int ac_usb_switch_open(struct inode *inode, struct file *filp)

-{

-    DBG("ac_usb_switch_open\n");

-

-	return 0;

-}

-

-static ssize_t ac_usb_switch_read(struct file *filp, char __user *ptr, size_t size, loff_t *pos)

-{

-	if (ptr == NULL)

-		printk("%s: user space address is NULL\n", __func__);

-	return sizeof(int);

-}

-

-static long ac_usb_switch_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)

-{

-	long ret = 0;	

-	int mode;

-	struct ac_usb_switch_platform_data *pdata = ac_usb_switch;

-

-	DBG("ac_usb_switch_ioctl: cmd = %d arg = %ld\n",cmd, arg);

-	

-	switch (cmd){

-		case USB_SWITCH_IOCTL_SET_USB_SWITCH_MODE:

-			DBG("ac_usb_switch_ioctl: USB_SWITCH_IOCTL_SET_USB_SWITCH_MODE\n");

-			mode = arg;

-			setUsbSwitchMode(mode);

-			break;

-		case USB_SWITCH_IOCTL_GET_PC_STATE:

-			DBG("ac_usb_switch_ioctl: USB_SWITCH_IOCTL_GET_PC_STATE\n");

-			return getPCstate();

-			

-		default:

-			printk("unknown ioctl cmd!\n");

-			ret = -EINVAL;

-			break;

-	}

-	return ret;

-}

-

-static int ac_usb_switch_release(struct inode *inode, struct file *filp)

-{

-    DBG("ac_usb_switch_release\n");

-    

-	return 0;

-}

-

-static struct file_operations ac_usb_switch_fops = {

-	.owner   = THIS_MODULE,

-	.open    = ac_usb_switch_open,

-	.read    = ac_usb_switch_read,

-	.unlocked_ioctl   = ac_usb_switch_ioctl,

-	.release = ac_usb_switch_release,

-};

-

-static struct miscdevice ac_usb_switch_dev = 

-{

-    .minor = MISC_DYNAMIC_MINOR,

-    .name = "ac_usb_switch",

-    .fops = &ac_usb_switch_fops,

-};

-

-static int ac_usb_switch_probe(struct platform_device *pdev)

-{

-	int ret = 0;

-	int result;

-	struct ac_usb_switch_platform_data *pdata = pdev->dev.platform_data;

-	if(!pdata)

-		return -1;

-	ac_usb_switch = pdata;

-	ret = misc_register(&ac_usb_switch_dev);

-	if (ret < 0){

-		printk("ac_usb_switch register err!\n");

-		return ret;

-	}

-	

-	if(pdata->usb_switch_pin != INVALID_GPIO){

-		result = gpio_request(pdata->usb_switch_pin, "ac_usb_switch");

-		if(result)

-		{

-			printk("%s:fail to request gpio %d\n",__func__, pdata->usb_switch_pin);

-			//return -1;

-		}else{

-			gpio_direction_output(pdata->usb_switch_pin,GPIO_HIGH);

-		}

-	}

-

-	if(pdata->pc_state_pin != INVALID_GPIO){

-		result = gpio_request(pdata->pc_state_pin, "ac_usb_switch");

-		if(result)

-		{

-			printk("%s:fail to request gpio %d\n",__func__, pdata->pc_state_pin);

-			//return -1;

-		}else{

-			gpio_direction_input(pdata->pc_state_pin);

-		}

-	}

-	printk("%s: ok ...... \n", __func__);

-

-	return ret;

-}

-

-static int ac_usb_switch_suspend(struct platform_device *pdev,  pm_message_t state)

-{

-	struct ac_usb_switch_platform_data *pdata = pdev->dev.platform_data;

-

-	if(!pdata) {

-		printk("%s: pdata = NULL ...... \n", __func__);

-		return -1;

-	}

-	printk("%s\n",__FUNCTION__);

-	return 0;	

-}

-

-static int ac_usb_switch_resume(struct platform_device *pdev)

-{

-	struct ac_usb_switch_platform_data *pdata = pdev->dev.platform_data;

-

-	if(!pdata) {

-		printk("%s: pdata = NULL ...... \n", __func__);

-		return -1;

-	}

-	printk("%s\n",__FUNCTION__);

-	return 0;

-}

-

-static int ac_usb_switch_remove(struct platform_device *pdev)

-{

-	struct ac_usb_switch_platform_data *pdata = pdev->dev.platform_data;

-	if(!pdata)

-		return -1;

-

-	misc_deregister(&ac_usb_switch_dev);

-

-	return 0;

-}

-

-static struct platform_driver ac_usb_switch_driver = {

-	.probe	= ac_usb_switch_probe,

-	.remove = ac_usb_switch_remove,

-	.suspend  	= ac_usb_switch_suspend,

-	.resume		= ac_usb_switch_resume,

-	.driver	= {

-		.name	= "ac_usb_switch",

-		.owner	= THIS_MODULE,

-	},

-};

-

-static int __init ac_usb_switch_init(void)

-{

-	return platform_driver_register(&ac_usb_switch_driver);

-}

-

-static void __exit ac_usb_switch_exit(void)

-{

-	platform_driver_unregister(&ac_usb_switch_driver);

-}

-

-module_init(ac_usb_switch_init);

-module_exit(ac_usb_switch_exit);

-MODULE_DESCRIPTION ("ac usb switch driver");

-MODULE_LICENSE("GPL");

-