/*
- * Backlight Driver for Macbooks
+ * Backlight Driver for Intel-based Apples
*
* Copyright (c) Red Hat <mjg@redhat.com>
* Based on code from Pommed:
#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. */
static const struct hw_data *hw_data;
-#define DRIVER "mb_backlight: "
+#define DRIVER "apple_backlight: "
/* Module parameters. */
static int debug;
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)
{
};
/*
- * Implementation for MacBooks with Nvidia chipset.
+ * Implementation for machines with Nvidia chipset.
*/
static void nvidia_chipset_set_brightness(int intensity)
{
.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;
}
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");