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path: root/drivers/video/backlight/88pm860x_bl.c
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Diffstat (limited to 'drivers/video/backlight/88pm860x_bl.c')
-rw-r--r--drivers/video/backlight/88pm860x_bl.c24
1 files changed, 4 insertions, 20 deletions
diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index 51e0c4be08df..0a1db2824076 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Backlight driver for Marvell Semiconductor 88PM8606
*
* Copyright (C) 2009 Marvell International Ltd.
* Haojian Zhuang <haojian.zhuang@marvell.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/init.h>
@@ -14,7 +11,6 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <linux/fb.h>
#include <linux/i2c.h>
#include <linux/backlight.h>
#include <linux/mfd/88pm860x.h>
@@ -124,18 +120,7 @@ out:
static int pm860x_backlight_update_status(struct backlight_device *bl)
{
- int brightness = bl->props.brightness;
-
- if (bl->props.power != FB_BLANK_UNBLANK)
- brightness = 0;
-
- if (bl->props.fb_blank != FB_BLANK_UNBLANK)
- brightness = 0;
-
- if (bl->props.state & BL_CORE_SUSPENDED)
- brightness = 0;
-
- return pm860x_backlight_set(bl, brightness);
+ return pm860x_backlight_set(bl, backlight_get_brightness(bl));
}
static int pm860x_backlight_get_brightness(struct backlight_device *bl)
@@ -165,7 +150,7 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev,
struct pm860x_backlight_data *data,
char *name)
{
- struct device_node *nproot, *np;
+ struct device_node *nproot;
int iset = 0;
nproot = of_get_child_by_name(pdev->dev.parent->of_node, "backlights");
@@ -173,14 +158,13 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev,
dev_err(&pdev->dev, "failed to find backlights node\n");
return -ENODEV;
}
- for_each_child_of_node(nproot, np) {
+ for_each_child_of_node_scoped(nproot, np) {
if (of_node_name_eq(np, name)) {
of_property_read_u32(np, "marvell,88pm860x-iset",
&iset);
data->iset = PM8606_WLED_CURRENT(iset);
of_property_read_u32(np, "marvell,88pm860x-pwm",
&data->pwm);
- of_node_put(np);
break;
}
}