From 35c679d462ed0be520473e15d4b930475322ef0f Mon Sep 17 00:00:00 2001
From: Tao Huang <huangtao@rock-chips.com>
Date: Mon, 5 Nov 2018 15:36:57 +0800
Subject: [PATCH] drivers/video/backlight: remove unused rk29_buttonlight
 driver

Change-Id: Ic8f1837404acb1c7f3bb5fc901ed5bbdd0aba70e
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
---
 drivers/video/backlight/rk29_buttonlight.c | 135 ---------------------
 1 file changed, 135 deletions(-)
 delete mode 100755 drivers/video/backlight/rk29_buttonlight.c

diff --git a/drivers/video/backlight/rk29_buttonlight.c b/drivers/video/backlight/rk29_buttonlight.c
deleted file mode 100755
index 0853ff83a236..000000000000
--- a/drivers/video/backlight/rk29_buttonlight.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* 
- * Copyright (C) 2009 Rockchip Corporation.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/debugfs.h>
-#include <linux/backlight.h>
-#include <linux/fb.h>
-#include <linux/cpufreq.h>
-#include <linux/clk.h>
-
-#include <linux/earlysuspend.h>
-#include <asm/io.h>
-#include <mach/iomux.h>
-#include <mach/gpio.h>
-#include <mach/board.h>
-
-
-/*
- * Debug
- */
-#if 0 
-#define DBG(x...)	printk(x)
-#else
-#define DBG(x...)
-#endif
-
-static int rk29_button_light_value = 0;
-struct backlight_device * rk29_button_light_device;
-
-static s32 rk29_set_button_light(struct backlight_device *bl)
-{
-    struct rk29_button_light_info *button_light_info = bl->dev.parent->platform_data;
-
-    DBG(">>>>>>> rk29_set_button_light\n");
-    if(bl->props.brightness)
-        {
-    	gpio_set_value(button_light_info->led_on_pin, button_light_info->led_on_level);
-    	rk29_button_light_value = 255;
-        }
-    else
-        {
-        gpio_set_value(button_light_info->led_on_pin, button_light_info->led_on_level?0:1);
-    	rk29_button_light_value = 0;
-        }
-    return 0;
-}
-
-static s32 rk29_get_button_light(struct backlight_device *bl)
-{
-    DBG(">>>>>>> rk29_get_button_light\n");
-    return rk29_button_light_value;
-}
-
-static struct backlight_ops rk29_button_light_ops = {
-	.update_status = rk29_set_button_light,
-	.get_brightness = rk29_get_button_light,
-};
-
-static int rk29_button_light_probe(struct platform_device *pdev)
-{		 
-    struct rk29_button_light_info *button_light_info = pdev->dev.platform_data;
-    
-	rk29_button_light_device = backlight_device_register("rk28_button_light", &pdev->dev, NULL, &rk29_button_light_ops,NULL);
-	if (!rk29_button_light_device) {
-        DBG("rk29_button_light_probe error\n"); 
-		return -ENODEV;		
-	}
-   
-	rk29_button_light_device->props.power = FB_BLANK_UNBLANK;
-	rk29_button_light_device->props.fb_blank = FB_BLANK_UNBLANK;
-	rk29_button_light_device->props.max_brightness = 255;
-	rk29_button_light_device->props.brightness = 255;
-
-    gpio_request(button_light_info->led_on_pin, NULL); 	
-    gpio_direction_output(button_light_info->led_on_pin, button_light_info->led_on_level?0:1);
-    
-    if (button_light_info && button_light_info->io_init)
-        button_light_info->io_init();
-    
-    return 0;
-}
-
-static int rk29_button_light_remove(struct platform_device *pdev)
-{		
-   
-	if (rk29_button_light_device) {
-		backlight_device_unregister(rk29_button_light_device);
-        return 0;
-    } else {
-        DBG("rk29_button_light_remove error\n"); 
-        return -ENODEV;      
-    }
-}
-
-static struct platform_driver rk29_button_light_driver = {
-	.probe	= rk29_button_light_probe,
-	.remove = rk29_button_light_remove,
-	.driver	= {
-		.name	= "rk29_button_light",
-		.owner	= THIS_MODULE,
-	},
-};
-
-
-static int __init rk29_button_light_init(void)
-{
-	platform_driver_register(&rk29_button_light_driver);
-	return 0;
-}
-
-static int __init rk29_button_light_exit(void)
-{
-	platform_driver_unregister(&rk29_button_light_driver);
-	return 0;
-}
-
-late_initcall(rk29_button_light_init);
-module_exit(rk29_button_light_exit);
-