backlight: generic_bl: Remove this driver as it is unused (7ecdea4a) · Commits · 戴 / test

drivers/video/backlight/Kconfig

+0 −8

Original line number	Diff line number	Diff line
		@@ -173,14 +173,6 @@ config BACKLIGHT_EP93XX
		To compile this driver as a module, choose M here: the module will
		be called ep93xx_bl.

		config BACKLIGHT_GENERIC
		tristate "Generic (aka Sharp Corgi) Backlight Driver"
		default y
		help
		Say y to enable the generic platform backlight driver previously
		known as the Corgi backlight driver. If you have a Sharp Zaurus
		SL-C7xx, SL-Cxx00 or SL-6000x say y.

		config BACKLIGHT_IPAQ_MICRO
		tristate "iPAQ microcontroller backlight driver"
		depends on MFD_IPAQ_MICRO

drivers/video/backlight/Makefile

+0 −1

Original line number	Diff line number	Diff line
		@@ -31,7 +31,6 @@ obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
		obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o
		obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o
		obj-$(CONFIG_BACKLIGHT_EP93XX) += ep93xx_bl.o
		obj-$(CONFIG_BACKLIGHT_GENERIC) += generic_bl.o
		obj-$(CONFIG_BACKLIGHT_GPIO) += gpio_backlight.o
		obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o
		obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o

drivers/video/backlight/generic_bl.c

deleted100644 → 0

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Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Generic Backlight Driver
		*
		* Copyright (c) 2004-2008 Richard Purdie
		*/

		#include <linux/module.h>
		#include <linux/kernel.h>
		#include <linux/init.h>
		#include <linux/platform_device.h>
		#include <linux/mutex.h>
		#include <linux/fb.h>
		#include <linux/backlight.h>

		static int genericbl_intensity;
		static struct backlight_device *generic_backlight_device;
		static struct generic_bl_info *bl_machinfo;

		static int genericbl_send_intensity(struct backlight_device *bd)
		{
		int intensity = bd->props.brightness;

		if (bd->props.power != FB_BLANK_UNBLANK)
		intensity = 0;
		if (bd->props.state & BL_CORE_FBBLANK)
		intensity = 0;
		if (bd->props.state & BL_CORE_SUSPENDED)
		intensity = 0;

		bl_machinfo->set_bl_intensity(intensity);

		genericbl_intensity = intensity;

		if (bl_machinfo->kick_battery)
		bl_machinfo->kick_battery();

		return 0;
		}

		static int genericbl_get_intensity(struct backlight_device *bd)
		{
		return genericbl_intensity;
		}

		static const struct backlight_ops genericbl_ops = {
		.options = BL_CORE_SUSPENDRESUME,
		.get_brightness = genericbl_get_intensity,
		.update_status = genericbl_send_intensity,
		};

		static int genericbl_probe(struct platform_device *pdev)
		{
		struct backlight_properties props;
		struct generic_bl_info *machinfo = dev_get_platdata(&pdev->dev);
		const char *name = "generic-bl";
		struct backlight_device *bd;

		bl_machinfo = machinfo;
		if (!machinfo->limit_mask)
		machinfo->limit_mask = -1;

		if (machinfo->name)
		name = machinfo->name;

		memset(&props, 0, sizeof(struct backlight_properties));
		props.type = BACKLIGHT_RAW;
		props.max_brightness = machinfo->max_intensity;
		bd = devm_backlight_device_register(&pdev->dev, name, &pdev->dev,
		NULL, &genericbl_ops, &props);
		if (IS_ERR(bd))
		return PTR_ERR(bd);

		platform_set_drvdata(pdev, bd);

		bd->props.power = FB_BLANK_UNBLANK;
		bd->props.brightness = machinfo->default_intensity;
		backlight_update_status(bd);

		generic_backlight_device = bd;

		dev_info(&pdev->dev, "Generic Backlight Driver Initialized.\n");
		return 0;
		}

		static int genericbl_remove(struct platform_device *pdev)
		{
		struct backlight_device *bd = platform_get_drvdata(pdev);

		bd->props.power = 0;
		bd->props.brightness = 0;
		backlight_update_status(bd);

		dev_info(&pdev->dev, "Generic Backlight Driver Unloaded\n");
		return 0;
		}

		static struct platform_driver genericbl_driver = {
		.probe = genericbl_probe,
		.remove = genericbl_remove,
		.driver = {
		.name = "generic-bl",
		},
		};

		module_platform_driver(genericbl_driver);

		MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
		MODULE_DESCRIPTION("Generic Backlight Driver");
		MODULE_LICENSE("GPL");

include/linux/backlight.h

+0 −9

Original line number	Diff line number	Diff line
		@@ -454,15 +454,6 @@ static inline void * bl_get_data(struct backlight_device *bl_dev)
		return dev_get_drvdata(&bl_dev->dev);
		}

		struct generic_bl_info {
		const char *name;
		int max_intensity;
		int default_intensity;
		int limit_mask;
		void (*set_bl_intensity)(int intensity);
		void (*kick_battery)(void);
		};

		#ifdef CONFIG_OF
		struct backlight_device of_find_backlight_by_node(struct device_node node);
		#else

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