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path: root/drivers/video/backlight/lm3533_bl.c
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Diffstat (limited to 'drivers/video/backlight/lm3533_bl.c')
-rw-r--r--drivers/video/backlight/lm3533_bl.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
index 0e2337f367b6..babfd3ceec86 100644
--- a/drivers/video/backlight/lm3533_bl.c
+++ b/drivers/video/backlight/lm3533_bl.c
@@ -1,21 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* lm3533-bl.c -- LM3533 Backlight driver
*
* Copyright (C) 2011-2012 Texas Instruments
*
* Author: Johan Hovold <jhovold@gmail.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/init.h>
#include <linux/platform_device.h>
#include <linux/backlight.h>
-#include <linux/fb.h>
#include <linux/slab.h>
#include <linux/mfd/lm3533.h>
@@ -43,14 +38,8 @@ static inline int lm3533_bl_get_ctrlbank_id(struct lm3533_bl *bl)
static int lm3533_bl_update_status(struct backlight_device *bd)
{
struct lm3533_bl *bl = bl_get_data(bd);
- int brightness = bd->props.brightness;
-
- if (bd->props.power != FB_BLANK_UNBLANK)
- brightness = 0;
- if (bd->props.fb_blank != FB_BLANK_UNBLANK)
- brightness = 0;
- return lm3533_ctrlbank_set_brightness(&bl->cb, (u8)brightness);
+ return lm3533_ctrlbank_set_brightness(&bl->cb, backlight_get_brightness(bd));
}
static int lm3533_bl_get_brightness(struct backlight_device *bd)
@@ -239,7 +228,7 @@ static struct attribute *lm3533_bl_attributes[] = {
static umode_t lm3533_bl_attr_is_visible(struct kobject *kobj,
struct attribute *attr, int n)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct lm3533_bl *bl = dev_get_drvdata(dev);
umode_t mode = attr->mode;
@@ -347,20 +336,18 @@ err_sysfs_remove:
return ret;
}
-static int lm3533_bl_remove(struct platform_device *pdev)
+static void lm3533_bl_remove(struct platform_device *pdev)
{
struct lm3533_bl *bl = platform_get_drvdata(pdev);
struct backlight_device *bd = bl->bd;
dev_dbg(&bd->dev, "%s\n", __func__);
- bd->props.power = FB_BLANK_POWERDOWN;
+ bd->props.power = BACKLIGHT_POWER_OFF;
bd->props.brightness = 0;
lm3533_ctrlbank_disable(&bl->cb);
sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP