diff options
Diffstat (limited to 'drivers/video/backlight/ep93xx_bl.c')
| -rw-r--r-- | drivers/video/backlight/ep93xx_bl.c | 28 |
1 files changed, 4 insertions, 24 deletions
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c index 018368ba4124..f59effc02352 100644 --- a/drivers/video/backlight/ep93xx_bl.c +++ b/drivers/video/backlight/ep93xx_bl.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the Cirrus EP93xx lcd backlight * * Copyright (c) 2010 H Hartley Sweeten <hsweeten@visionengravers.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. - * * This driver controls the pulse width modulated brightness control output, * BRIGHT, on the Cirrus EP9307, EP9312, and EP9315 processors. */ @@ -14,7 +11,6 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/fb.h> #include <linux/backlight.h> #define EP93XX_MAX_COUNT 255 @@ -39,13 +35,7 @@ static int ep93xxbl_set(struct backlight_device *bl, int brightness) static int ep93xxbl_update_status(struct backlight_device *bl) { - int brightness = bl->props.brightness; - - if (bl->props.power != FB_BLANK_UNBLANK || - bl->props.fb_blank != FB_BLANK_UNBLANK) - brightness = 0; - - return ep93xxbl_set(bl, brightness); + return ep93xxbl_set(bl, backlight_get_brightness(bl)); } static int ep93xxbl_get_brightness(struct backlight_device *bl) @@ -92,8 +82,8 @@ static int ep93xxbl_probe(struct platform_device *dev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = EP93XX_MAX_BRIGHT; - bl = backlight_device_register(dev->name, &dev->dev, ep93xxbl, - &ep93xxbl_ops, &props); + bl = devm_backlight_device_register(&dev->dev, dev->name, &dev->dev, + ep93xxbl, &ep93xxbl_ops, &props); if (IS_ERR(bl)) return PTR_ERR(bl); @@ -106,14 +96,6 @@ static int ep93xxbl_probe(struct platform_device *dev) return 0; } -static int ep93xxbl_remove(struct platform_device *dev) -{ - struct backlight_device *bl = platform_get_drvdata(dev); - - backlight_device_unregister(bl); - return 0; -} - #ifdef CONFIG_PM_SLEEP static int ep93xxbl_suspend(struct device *dev) { @@ -136,11 +118,9 @@ static SIMPLE_DEV_PM_OPS(ep93xxbl_pm_ops, ep93xxbl_suspend, ep93xxbl_resume); static struct platform_driver ep93xxbl_driver = { .driver = { .name = "ep93xx-bl", - .owner = THIS_MODULE, .pm = &ep93xxbl_pm_ops, }, .probe = ep93xxbl_probe, - .remove = ep93xxbl_remove, }; module_platform_driver(ep93xxbl_driver); |