backlight: generic_bl: Remove this driver as it is unused
The backlight_bl driver required initialization using struct generic_bl_info. As there are no more references to this struct there is no users left. So it is safe to delete the driver. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Sam Ravnborg
Lee Jones
Родитель
2d15bb47f3
Коммит
7ecdea4a02
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@ -173,14 +173,6 @@ config BACKLIGHT_EP93XX
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To compile this driver as a module, choose M here: the module will
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be called ep93xx_bl.
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config BACKLIGHT_GENERIC
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tristate "Generic (aka Sharp Corgi) Backlight Driver"
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default y
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help
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Say y to enable the generic platform backlight driver previously
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known as the Corgi backlight driver. If you have a Sharp Zaurus
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SL-C7xx, SL-Cxx00 or SL-6000x say y.
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config BACKLIGHT_IPAQ_MICRO
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tristate "iPAQ microcontroller backlight driver"
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depends on MFD_IPAQ_MICRO
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@ -31,7 +31,6 @@ obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
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obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o
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obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o
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obj-$(CONFIG_BACKLIGHT_EP93XX) += ep93xx_bl.o
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obj-$(CONFIG_BACKLIGHT_GENERIC) += generic_bl.o
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obj-$(CONFIG_BACKLIGHT_GPIO) += gpio_backlight.o
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obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o
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obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o
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@ -1,110 +0,0 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Generic Backlight Driver
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*
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* Copyright (c) 2004-2008 Richard Purdie
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mutex.h>
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#include <linux/fb.h>
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#include <linux/backlight.h>
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static int genericbl_intensity;
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static struct backlight_device *generic_backlight_device;
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static struct generic_bl_info *bl_machinfo;
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static int genericbl_send_intensity(struct backlight_device *bd)
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{
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int intensity = bd->props.brightness;
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if (bd->props.power != FB_BLANK_UNBLANK)
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intensity = 0;
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if (bd->props.state & BL_CORE_FBBLANK)
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intensity = 0;
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if (bd->props.state & BL_CORE_SUSPENDED)
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intensity = 0;
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bl_machinfo->set_bl_intensity(intensity);
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genericbl_intensity = intensity;
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if (bl_machinfo->kick_battery)
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bl_machinfo->kick_battery();
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return 0;
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}
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static int genericbl_get_intensity(struct backlight_device *bd)
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{
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return genericbl_intensity;
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}
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static const struct backlight_ops genericbl_ops = {
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.options = BL_CORE_SUSPENDRESUME,
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.get_brightness = genericbl_get_intensity,
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.update_status = genericbl_send_intensity,
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};
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static int genericbl_probe(struct platform_device *pdev)
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{
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struct backlight_properties props;
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struct generic_bl_info *machinfo = dev_get_platdata(&pdev->dev);
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const char *name = "generic-bl";
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struct backlight_device *bd;
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bl_machinfo = machinfo;
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if (!machinfo->limit_mask)
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machinfo->limit_mask = -1;
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if (machinfo->name)
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name = machinfo->name;
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memset(&props, 0, sizeof(struct backlight_properties));
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props.type = BACKLIGHT_RAW;
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props.max_brightness = machinfo->max_intensity;
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bd = devm_backlight_device_register(&pdev->dev, name, &pdev->dev,
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NULL, &genericbl_ops, &props);
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if (IS_ERR(bd))
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return PTR_ERR(bd);
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platform_set_drvdata(pdev, bd);
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bd->props.power = FB_BLANK_UNBLANK;
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bd->props.brightness = machinfo->default_intensity;
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backlight_update_status(bd);
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generic_backlight_device = bd;
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dev_info(&pdev->dev, "Generic Backlight Driver Initialized.\n");
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return 0;
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}
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static int genericbl_remove(struct platform_device *pdev)
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{
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struct backlight_device *bd = platform_get_drvdata(pdev);
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bd->props.power = 0;
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bd->props.brightness = 0;
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backlight_update_status(bd);
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dev_info(&pdev->dev, "Generic Backlight Driver Unloaded\n");
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return 0;
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}
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static struct platform_driver genericbl_driver = {
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.probe = genericbl_probe,
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.remove = genericbl_remove,
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.driver = {
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.name = "generic-bl",
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},
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};
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module_platform_driver(genericbl_driver);
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MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
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MODULE_DESCRIPTION("Generic Backlight Driver");
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MODULE_LICENSE("GPL");
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@ -454,15 +454,6 @@ static inline void * bl_get_data(struct backlight_device *bl_dev)
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return dev_get_drvdata(&bl_dev->dev);
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}
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struct generic_bl_info {
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const char *name;
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int max_intensity;
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int default_intensity;
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int limit_mask;
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void (*set_bl_intensity)(int intensity);
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void (*kick_battery)(void);
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};
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#ifdef CONFIG_OF
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struct backlight_device *of_find_backlight_by_node(struct device_node *node);
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#else
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