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mbp_nvidia_bl: rename to apple_bl

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It works on hardware other than Macbook Pros, and it works on GPUs other
than Nvidia.  It should even work on iMacs, so change the name to match
reality more precisely and include an alias so existing users don't get
confused.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Mourad De Clerck <mourad@aquazul.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Garrett 2011-03-22 16:30:28 -07:00 committed by Linus Torvalds
parent 99fd28e194
commit 39b3dee76f
3 changed files with 35 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/video/backlight/Kconfig
View File

@ -244,11 +244,11 @@ config BACKLIGHT_MAX8925
If you have a LCD backlight connected to the WLED output of MAX8925
WLED output, say Y here to enable this driver.
config BACKLIGHT_MACBOOK
tristate "MacBook Backlight Driver"
config BACKLIGHT_APPLE
tristate "Apple Backlight Driver"
depends on X86
help
If you have an Apple Macbook say Y to enable a driver for its
If you have an Intel-based Apple say Y to enable a driver for its
backlight
config BACKLIGHT_TOSA

2
drivers/video/backlight/Makefile
View File

@ -27,7 +27,7 @@ obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o
obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o
obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o
obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o
obj-$(CONFIG_BACKLIGHT_MACBOOK) += mbp_nvidia_bl.o
obj-$(CONFIG_BACKLIGHT_APPLE) += apple_bl.o
obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o
obj-$(CONFIG_BACKLIGHT_SAHARA) += kb3886_bl.o
obj-$(CONFIG_BACKLIGHT_WM831X) += wm831x_bl.o

61
drivers/video/backlight/mbp_nvidia_bl.c → drivers/video/backlight/apple_bl.c
View File

@ -1,5 +1,5 @@
/*
* Backlight Driver for Macbooks
* Backlight Driver for Intel-based Apples
*
* Copyright (c) Red Hat <mjg@redhat.com>
* Based on code from Pommed:
@ -25,7 +25,7 @@
#include <linux/pci.h>
#include <linux/acpi.h>
static struct backlight_device *mb_backlight_device;
static struct backlight_device *apple_backlight_device;
struct hw_data {
/* I/O resource to allocate. */
@ -38,7 +38,7 @@ struct hw_data {
static const struct hw_data *hw_data;
#define DRIVER "mb_backlight: "
#define DRIVER "apple_backlight: "
/* Module parameters. */
static int debug;
@ -46,7 +46,7 @@ module_param_named(debug, debug, int, 0644);
MODULE_PARM_DESC(debug, "Set to one to enable debugging messages.");
/*
* Implementation for MacBooks with Intel chipset.
* Implementation for machines with Intel chipset.
*/
static void intel_chipset_set_brightness(int intensity)
{
@ -93,7 +93,7 @@ static const struct hw_data intel_chipset_data = {
};
/*
* Implementation for MacBooks with Nvidia chipset.
* Implementation for machines with Nvidia chipset.
*/
static void nvidia_chipset_set_brightness(int intensity)
{
@ -139,7 +139,7 @@ static const struct hw_data nvidia_chipset_data = {
.set_brightness = nvidia_chipset_set_brightness,
};
static int __devinit mb_bl_add(struct acpi_device *dev)
static int __devinit apple_bl_add(struct acpi_device *dev)
{
struct backlight_properties props;
struct pci_dev *host;
@ -177,64 +177,65 @@ static int __devinit mb_bl_add(struct acpi_device *dev)
}
if (!request_region(hw_data->iostart, hw_data->iolen,
"Macbook backlight"))
"Apple backlight"))
return -ENXIO;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = 15;
mb_backlight_device = backlight_device_register("mb_backlight", NULL,
NULL, &hw_data->backlight_ops, &props);
apple_backlight_device = backlight_device_register("apple_backlight",
NULL, NULL, &hw_data->backlight_ops, &props);
if (IS_ERR(mb_backlight_device)) {
if (IS_ERR(apple_backlight_device)) {
release_region(hw_data->iostart, hw_data->iolen);
return PTR_ERR(mb_backlight_device);
return PTR_ERR(apple_backlight_device);
}
mb_backlight_device->props.brightness =
hw_data->backlight_ops.get_brightness(mb_backlight_device);
backlight_update_status(mb_backlight_device);
apple_backlight_device->props.brightness =
hw_data->backlight_ops.get_brightness(apple_backlight_device);
backlight_update_status(apple_backlight_device);
return 0;
}
static int __devexit mb_bl_remove(struct acpi_device *dev, int type)
static int __devexit apple_bl_remove(struct acpi_device *dev, int type)
{
backlight_device_unregister(mb_backlight_device);
backlight_device_unregister(apple_backlight_device);
release_region(hw_data->iostart, hw_data->iolen);
hw_data = NULL;
return 0;
}
static const struct acpi_device_id mb_bl_ids[] = {
static const struct acpi_device_id apple_bl_ids[] = {
{"APP0002", 0},
{"", 0},
};
static struct acpi_driver mb_bl_driver = {
.name = "Macbook backlight",
.ids = mb_bl_ids,
static struct acpi_driver apple_bl_driver = {
.name = "Apple backlight",
.ids = apple_bl_ids,
.ops = {
.add = mb_bl_add,
.remove = mb_bl_remove,
.add = apple_bl_add,
.remove = apple_bl_remove,
},
};
static int __init mb_init(void)
static int __init apple_bl_init(void)
{
return acpi_bus_register_driver(&mb_bl_driver);
return acpi_bus_register_driver(&apple_bl_driver);
}
static void __exit mb_exit(void)
static void __exit apple_bl_exit(void)
{
acpi_bus_unregister_driver(&mb_bl_driver);
acpi_bus_unregister_driver(&apple_bl_driver);
}
module_init(mb_init);
module_exit(mb_exit);
module_init(apple_bl_init);
module_exit(apple_bl_exit);
MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
MODULE_DESCRIPTION("Macbook Backlight Driver");
MODULE_DESCRIPTION("Apple Backlight Driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(acpi, mb_bl_ids);
MODULE_DEVICE_TABLE(acpi, apple_bl_ids);
MODULE_ALIAS("mbp_nvidia_bl");