diff options
Diffstat (limited to 'drivers/platform/x86/fujitsu-laptop.c')
| -rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 105 |
1 files changed, 46 insertions, 59 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index eabddc9c192..f35aee5c214 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -66,11 +66,11 @@ #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"); } |