diff options
author | Sam Ravnborg <sam@ravnborg.org> | 2020-07-19 10:07:32 +0200 |
---|---|---|
committer | Lee Jones <lee.jones@linaro.org> | 2020-07-20 11:26:08 +0200 |
commit | 7ecdea4a0226f6c5cd0e86859d1b38cf17bc8529 (patch) | |
tree | b7ed31f45cf8093342e1ac19d9b27622c471ffd2 /drivers/video | |
parent | backlight: backlight: Document enums in backlight.h (diff) | |
download | linux-7ecdea4a0226f6c5cd0e86859d1b38cf17bc8529.tar.xz linux-7ecdea4a0226f6c5cd0e86859d1b38cf17bc8529.zip |
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>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/backlight/Kconfig | 8 | ||||
-rw-r--r-- | drivers/video/backlight/Makefile | 1 | ||||
-rw-r--r-- | drivers/video/backlight/generic_bl.c | 110 |
3 files changed, 0 insertions, 119 deletions
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 95c546cc8774..87f9fc238d28 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -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 diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 2072d21b60f7..13463b99f1f9 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -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 diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c deleted file mode 100644 index 8fe63dbc8590..000000000000 --- a/drivers/video/backlight/generic_bl.c +++ /dev/null @@ -1,110 +0,0 @@ -// 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"); |