Merge branch 'fujitsu' into release
[linux-2.6.git] / drivers / platform / x86 / fujitsu-laptop.c
index eabddc9c192bc4e317cb8b868927a03202952d06..f35aee5c21491ebc763bdff1e5a41a6fdba147dd 100644 (file)
 #include <linux/kfifo.h>
 #include <linux/video_output.h>
 #include <linux/platform_device.h>
-#ifdef CONFIG_LEDS_CLASS
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
 #include <linux/leds.h>
 #endif
 
-#define FUJITSU_DRIVER_VERSION "0.5.0"
+#define FUJITSU_DRIVER_VERSION "0.6.0"
 
 #define FUJITSU_LCD_N_LEVELS 8
 
@@ -96,7 +96,7 @@
 /* FUNC interface - responses */
 #define UNSUPPORTED_CMD 0x80000000
 
-#ifdef CONFIG_LEDS_CLASS
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
 /* FUNC interface - LED control */
 #define FUNC_LED_OFF   0x1
 #define FUNC_LED_ON    0x30001
@@ -176,7 +176,7 @@ static struct fujitsu_hotkey_t *fujitsu_hotkey;
 
 static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
 
-#ifdef CONFIG_LEDS_CLASS
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
 static enum led_brightness logolamp_get(struct led_classdev *cdev);
 static void logolamp_set(struct led_classdev *cdev,
                               enum led_brightness brightness);
@@ -257,7 +257,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
        return out_obj.integer.value;
 }
 
-#ifdef CONFIG_LEDS_CLASS
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
 /* LED class callbacks */
 
 static void logolamp_set(struct led_classdev *cdev,
@@ -324,9 +324,6 @@ static int set_lcd_level(int level)
        if (level < 0 || level >= fujitsu->max_brightness)
                return -EINVAL;
 
-       if (!fujitsu)
-               return -EINVAL;
-
        status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
        if (ACPI_FAILURE(status)) {
                vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
@@ -355,9 +352,6 @@ static int set_lcd_level_alt(int level)
        if (level < 0 || level >= fujitsu->max_brightness)
                return -EINVAL;
 
-       if (!fujitsu)
-               return -EINVAL;
-
        status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle);
        if (ACPI_FAILURE(status)) {
                vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
@@ -697,7 +691,7 @@ static int acpi_fujitsu_add(struct acpi_device *device)
        result = acpi_bus_get_power(fujitsu->acpi_handle, &state);
        if (result) {
                printk(KERN_ERR "Error reading power state\n");
-               goto end;
+               goto err_unregister_input_dev;
        }
 
        printk(KERN_INFO "ACPI: %s [%s] (%s)\n",
@@ -728,25 +722,22 @@ static int acpi_fujitsu_add(struct acpi_device *device)
 
        return result;
 
-end:
+err_unregister_input_dev:
+       input_unregister_device(input);
 err_free_input_dev:
        input_free_device(input);
 err_stop:
-
        return result;
 }
 
 static int acpi_fujitsu_remove(struct acpi_device *device, int type)
 {
-       struct fujitsu_t *fujitsu = NULL;
+       struct fujitsu_t *fujitsu = acpi_driver_data(device);
+       struct input_dev *input = fujitsu->input;
 
-       if (!device || !acpi_driver_data(device))
-               return -EINVAL;
+       input_unregister_device(input);
 
-       fujitsu = acpi_driver_data(device);
-
-       if (!device || !acpi_driver_data(device))
-               return -EINVAL;
+       input_free_device(input);
 
        fujitsu->acpi_handle = NULL;
 
@@ -871,7 +862,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
        result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state);
        if (result) {
                printk(KERN_ERR "Error reading power state\n");
-               goto end;
+               goto err_unregister_input_dev;
        }
 
        printk(KERN_INFO "ACPI: %s [%s] (%s)\n",
@@ -911,7 +902,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
        printk(KERN_INFO "fujitsu-laptop: BTNI: [0x%x]\n",
                call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0));
 
-       #ifdef CONFIG_LEDS_CLASS
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
        if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) {
                result = led_classdev_register(&fujitsu->pf_device->dev,
                                                &logolamp_led);
@@ -934,33 +925,41 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
                        "LED handler for keyboard lamps, error %i\n", result);
                }
        }
-       #endif
+#endif
 
        return result;
 
-end:
+err_unregister_input_dev:
+       input_unregister_device(input);
 err_free_input_dev:
        input_free_device(input);
 err_free_fifo:
        kfifo_free(fujitsu_hotkey->fifo);
 err_stop:
-
        return result;
 }
 
 static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
 {
-       struct fujitsu_hotkey_t *fujitsu_hotkey = NULL;
+       struct fujitsu_hotkey_t *fujitsu_hotkey = acpi_driver_data(device);
+       struct input_dev *input = fujitsu_hotkey->input;
 
-       if (!device || !acpi_driver_data(device))
-               return -EINVAL;
+#ifdef CONFIG_LEDS_CLASS
+       if (fujitsu_hotkey->logolamp_registered)
+               led_classdev_unregister(&logolamp_led);
 
-       fujitsu_hotkey = acpi_driver_data(device);
+       if (fujitsu_hotkey->kblamps_registered)
+               led_classdev_unregister(&kblamps_led);
+#endif
 
-       fujitsu_hotkey->acpi_handle = NULL;
+       input_unregister_device(input);
+
+       input_free_device(input);
 
        kfifo_free(fujitsu_hotkey->fifo);
 
+       fujitsu_hotkey->acpi_handle = NULL;
+
        return 0;
 }
 
@@ -1130,8 +1129,11 @@ static int __init fujitsu_init(void)
                fujitsu->bl_device =
                        backlight_device_register("fujitsu-laptop", NULL, NULL,
                                                  &fujitsubl_ops);
-               if (IS_ERR(fujitsu->bl_device))
-                       return PTR_ERR(fujitsu->bl_device);
+               if (IS_ERR(fujitsu->bl_device)) {
+                       ret = PTR_ERR(fujitsu->bl_device);
+                       fujitsu->bl_device = NULL;
+                       goto fail_sysfs_group;
+               }
                max_brightness = fujitsu->max_brightness;
                fujitsu->bl_device->props.max_brightness = max_brightness - 1;
                fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
@@ -1171,32 +1173,22 @@ static int __init fujitsu_init(void)
        return 0;
 
 fail_hotkey1:
-
        kfree(fujitsu_hotkey);
-
 fail_hotkey:
-
        platform_driver_unregister(&fujitsupf_driver);
-
 fail_backlight:
-
        if (fujitsu->bl_device)
                backlight_device_unregister(fujitsu->bl_device);
-
+fail_sysfs_group:
+       sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
+                          &fujitsupf_attribute_group);
 fail_platform_device2:
-
        platform_device_del(fujitsu->pf_device);
-
 fail_platform_device1:
-
        platform_device_put(fujitsu->pf_device);
-
 fail_platform_driver:
-
        acpi_bus_unregister_driver(&acpi_fujitsu_driver);
-
 fail_acpi:
-
        kfree(fujitsu);
 
        return ret;
@@ -1204,28 +1196,23 @@ fail_acpi:
 
 static void __exit fujitsu_cleanup(void)
 {
-       #ifdef CONFIG_LEDS_CLASS
-       if (fujitsu_hotkey->logolamp_registered != 0)
-               led_classdev_unregister(&logolamp_led);
+       acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver);
 
-       if (fujitsu_hotkey->kblamps_registered != 0)
-               led_classdev_unregister(&kblamps_led);
-       #endif
+       kfree(fujitsu_hotkey);
 
-       sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
-                          &fujitsupf_attribute_group);
-       platform_device_unregister(fujitsu->pf_device);
        platform_driver_unregister(&fujitsupf_driver);
+
        if (fujitsu->bl_device)
                backlight_device_unregister(fujitsu->bl_device);
 
-       acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+       sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
+                          &fujitsupf_attribute_group);
 
-       kfree(fujitsu);
+       platform_device_unregister(fujitsu->pf_device);
 
-       acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver);
+       acpi_bus_unregister_driver(&acpi_fujitsu_driver);
 
-       kfree(fujitsu_hotkey);
+       kfree(fujitsu);
 
        printk(KERN_INFO "fujitsu-laptop: driver unloaded.\n");
 }