mbp_nvidia_bl: rename to apple_bl

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>

drivers/video/backlight/Kconfig

@@ -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

drivers/video/backlight/Makefile

@@ -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

drivers/video/backlight/mbp_nvidia_bl.c → drivers/video/backlight/apple_bl.c

@@ -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. */
@@ -38,15 +38,15 @@ struct hw_data {
 
 static const struct hw_data *hw_data;
 
-#define DRIVER "mb_backlight: "
+#define DRIVER "apple_backlight: "
 
 /* Module parameters. */
 static int debug;
 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");