diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/ac.c | 17 | ||||
| -rw-r--r-- | drivers/acpi/acpica/achware.h | 12 | ||||
| -rw-r--r-- | drivers/acpi/acpica/hwesleep.c | 19 | ||||
| -rw-r--r-- | drivers/acpi/acpica/hwsleep.c | 20 | ||||
| -rw-r--r-- | drivers/acpi/acpica/hwxfsleep.c | 22 | ||||
| -rw-r--r-- | drivers/acpi/battery.c | 15 | ||||
| -rw-r--r-- | drivers/acpi/button.c | 9 | ||||
| -rw-r--r-- | drivers/acpi/fan.c | 21 | ||||
| -rw-r--r-- | drivers/acpi/glue.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/numa.c | 12 | ||||
| -rw-r--r-- | drivers/acpi/pci_root.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/power.c | 14 | ||||
| -rw-r--r-- | drivers/acpi/processor_driver.c | 15 | ||||
| -rw-r--r-- | drivers/acpi/processor_idle.c | 43 | ||||
| -rw-r--r-- | drivers/acpi/sbs.c | 10 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 22 | ||||
| -rw-r--r-- | drivers/acpi/sleep.c | 101 | ||||
| -rw-r--r-- | drivers/acpi/sysfs.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/thermal.c | 17 | ||||
| -rw-r--r-- | drivers/acpi/video_detect.c | 60 |
20 files changed, 199 insertions, 240 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index d1fcbc0f6cbc..ac7034129f3f 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -61,7 +61,6 @@ static int acpi_ac_open_fs(struct inode *inode, struct file *file); static int acpi_ac_add(struct acpi_device *device); static int acpi_ac_remove(struct acpi_device *device, int type); -static int acpi_ac_resume(struct acpi_device *device); static void acpi_ac_notify(struct acpi_device *device, u32 event); static const struct acpi_device_id ac_device_ids[] = { @@ -70,6 +69,9 @@ static const struct acpi_device_id ac_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, ac_device_ids); +static int acpi_ac_resume(struct device *dev); +static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); + static struct acpi_driver acpi_ac_driver = { .name = "ac", .class = ACPI_AC_CLASS, @@ -78,9 +80,9 @@ static struct acpi_driver acpi_ac_driver = { .ops = { .add = acpi_ac_add, .remove = acpi_ac_remove, - .resume = acpi_ac_resume, .notify = acpi_ac_notify, }, + .drv.pm = &acpi_ac_pm, }; struct acpi_ac { @@ -311,13 +313,18 @@ static int acpi_ac_add(struct acpi_device *device) return result; } -static int acpi_ac_resume(struct acpi_device *device) +static int acpi_ac_resume(struct device *dev) { struct acpi_ac *ac; unsigned old_state; - if (!device || !acpi_driver_data(device)) + + if (!dev) return -EINVAL; - ac = acpi_driver_data(device); + + ac = acpi_driver_data(to_acpi_device(dev)); + if (!ac) + return -EINVAL; + old_state = ac->state; if (acpi_ac_get_state(ac)) return 0; diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 5ccb99ae3a6f..5de4ec72766d 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -83,22 +83,22 @@ acpi_status acpi_hw_clear_acpi_status(void); /* * hwsleep - sleep/wake support (Legacy sleep registers) */ -acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_legacy_sleep(u8 sleep_state); -acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state); -acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags); +acpi_status acpi_hw_legacy_wake(u8 sleep_state); /* * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers) */ void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument); -acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_extended_sleep(u8 sleep_state); -acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags); +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state); -acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags); +acpi_status acpi_hw_extended_wake(u8 sleep_state); /* * hwvalid - Port I/O with validation diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 48518dac5342..94996f9ae3ad 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -90,7 +90,6 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * FUNCTION: acpi_hw_extended_sleep * * PARAMETERS: sleep_state - Which sleep state to enter - * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -100,7 +99,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * ******************************************************************************/ -acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_extended_sleep(u8 sleep_state) { acpi_status status; u8 sleep_type_value; @@ -125,12 +124,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) acpi_gbl_system_awake_and_running = FALSE; - /* Optionally execute _GTS (Going To Sleep) */ - - if (flags & ACPI_EXECUTE_GTS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); - } - /* Flush caches, as per ACPI specification */ ACPI_FLUSH_CPU_CACHE(); @@ -172,7 +165,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_extended_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited - * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -181,7 +173,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) { acpi_status status; u8 sleep_type_value; @@ -200,11 +192,6 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) &acpi_gbl_FADT.sleep_control); } - /* Optionally execute _BFS (Back From Sleep) */ - - if (flags & ACPI_EXECUTE_BFS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); - } return_ACPI_STATUS(AE_OK); } @@ -222,7 +209,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags) +acpi_status acpi_hw_extended_wake(u8 sleep_state) { ACPI_FUNCTION_TRACE(hw_extended_wake); diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 9960fe9ef533..3fddde056a5e 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -56,7 +56,6 @@ ACPI_MODULE_NAME("hwsleep") * FUNCTION: acpi_hw_legacy_sleep * * PARAMETERS: sleep_state - Which sleep state to enter - * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -64,7 +63,7 @@ ACPI_MODULE_NAME("hwsleep") * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED * ******************************************************************************/ -acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_legacy_sleep(u8 sleep_state) { struct acpi_bit_register_info *sleep_type_reg_info; struct acpi_bit_register_info *sleep_enable_reg_info; @@ -110,12 +109,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) return_ACPI_STATUS(status); } - /* Optionally execute _GTS (Going To Sleep) */ - - if (flags & ACPI_EXECUTE_GTS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); - } - /* Get current value of PM1A control */ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL, @@ -214,7 +207,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_legacy_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited - * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -224,7 +216,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) { acpi_status status; struct acpi_bit_register_info *sleep_type_reg_info; @@ -275,11 +267,6 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) } } - /* Optionally execute _BFS (Back From Sleep) */ - - if (flags & ACPI_EXECUTE_BFS) { - acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); - } return_ACPI_STATUS(status); } @@ -288,7 +275,6 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_legacy_wake * * PARAMETERS: sleep_state - Which sleep state we just exited - * flags - Reserved, set to zero * * RETURN: Status * @@ -297,7 +283,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) * ******************************************************************************/ -acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags) +acpi_status acpi_hw_legacy_wake(u8 sleep_state) { acpi_status status; diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index f8684bfe7907..1f165a750ae2 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -50,7 +50,7 @@ ACPI_MODULE_NAME("hwxfsleep") /* Local prototypes */ static acpi_status -acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id); +acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); /* * Dispatch table used to efficiently branch to the various sleep @@ -235,7 +235,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios) * ******************************************************************************/ static acpi_status -acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) +acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id) { acpi_status status; struct acpi_sleep_functions *sleep_functions = @@ -248,11 +248,11 @@ acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) * use the extended sleep registers */ if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) { - status = sleep_functions->extended_function(sleep_state, flags); + status = sleep_functions->extended_function(sleep_state); } else { /* Legacy sleep */ - status = sleep_functions->legacy_function(sleep_state, flags); + status = sleep_functions->legacy_function(sleep_state); } return (status); @@ -262,7 +262,7 @@ acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) * For the case where reduced-hardware-only code is being generated, * we know that only the extended sleep registers are available */ - status = sleep_functions->extended_function(sleep_state, flags); + status = sleep_functions->extended_function(sleep_state); return (status); #endif /* !ACPI_REDUCED_HARDWARE */ @@ -349,7 +349,6 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) * FUNCTION: acpi_enter_sleep_state * * PARAMETERS: sleep_state - Which sleep state to enter - * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -357,7 +356,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED * ******************************************************************************/ -acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags) +acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) { acpi_status status; @@ -371,7 +370,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags) } status = - acpi_hw_sleep_dispatch(sleep_state, flags, ACPI_SLEEP_FUNCTION_ID); + acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION_ID); return_ACPI_STATUS(status); } @@ -391,14 +390,14 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state) * Called with interrupts DISABLED. * ******************************************************************************/ -acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags) +acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) { acpi_status status; ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep); status = - acpi_hw_sleep_dispatch(sleep_state, flags, + acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_PREP_FUNCTION_ID); return_ACPI_STATUS(status); } @@ -423,8 +422,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) ACPI_FUNCTION_TRACE(acpi_leave_sleep_state); - - status = acpi_hw_sleep_dispatch(sleep_state, 0, ACPI_WAKE_FUNCTION_ID); + status = acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_FUNCTION_ID); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 5662d64e6733..ff2c876ec412 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -1053,17 +1053,24 @@ static int acpi_battery_remove(struct acpi_device *device, int type) } /* this is needed to learn about changes made in suspended state */ -static int acpi_battery_resume(struct acpi_device *device) +static int acpi_battery_resume(struct device *dev) { struct acpi_battery *battery; - if (!device) + + if (!dev) return -EINVAL; - battery = acpi_driver_data(device); + + battery = acpi_driver_data(to_acpi_device(dev)); + if (!battery) + return -EINVAL; + battery->update_time = 0; acpi_battery_update(battery); return 0; } +static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume); + static struct acpi_driver acpi_battery_driver = { .name = "battery", .class = ACPI_BATTERY_CLASS, @@ -1071,10 +1078,10 @@ static struct acpi_driver acpi_battery_driver = { .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, .ops = { .add = acpi_battery_add, - .resume = acpi_battery_resume, .remove = acpi_battery_remove, .notify = acpi_battery_notify, }, + .drv.pm = &acpi_battery_pm, }; static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index d27d072472f9..79d4c22f7a6d 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -76,19 +76,21 @@ MODULE_DEVICE_TABLE(acpi, button_device_ids); static int acpi_button_add(struct acpi_device *device); static int acpi_button_remove(struct acpi_device *device, int type); -static int acpi_button_resume(struct acpi_device *device); static void acpi_button_notify(struct acpi_device *device, u32 event); +static int acpi_button_resume(struct device *dev); +static SIMPLE_DEV_PM_OPS(acpi_button_pm, NULL, acpi_button_resume); + static struct acpi_driver acpi_button_driver = { .name = "button", .class = ACPI_BUTTON_CLASS, .ids = button_device_ids, .ops = { .add = acpi_button_add, - .resume = acpi_button_resume, .remove = acpi_button_remove, .notify = acpi_button_notify, }, + .drv.pm = &acpi_button_pm, }; struct acpi_button { @@ -308,8 +310,9 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) } } -static int acpi_button_resume(struct acpi_device *device) +static int acpi_button_resume(struct device *dev) { + struct acpi_device *device = to_acpi_device(dev); struct acpi_button *button = acpi_driver_data(device); if (button->type == ACPI_BUTTON_TYPE_LID) diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 0f0356ca1a9e..669d9ee80d16 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -46,8 +46,6 @@ MODULE_LICENSE("GPL"); static int acpi_fan_add(struct acpi_device *device); static int acpi_fan_remove(struct acpi_device *device, int type); -static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state); -static int acpi_fan_resume(struct acpi_device *device); static const struct acpi_device_id fan_device_ids[] = { {"PNP0C0B", 0}, @@ -55,6 +53,10 @@ static const struct acpi_device_id fan_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, fan_device_ids); +static int acpi_fan_suspend(struct device *dev); +static int acpi_fan_resume(struct device *dev); +static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume); + static struct acpi_driver acpi_fan_driver = { .name = "fan", .class = ACPI_FAN_CLASS, @@ -62,9 +64,8 @@ static struct acpi_driver acpi_fan_driver = { .ops = { .add = acpi_fan_add, .remove = acpi_fan_remove, - .suspend = acpi_fan_suspend, - .resume = acpi_fan_resume, }, + .drv.pm = &acpi_fan_pm, }; /* thermal cooling device callbacks */ @@ -183,24 +184,24 @@ static int acpi_fan_remove(struct acpi_device *device, int type) return 0; } -static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state) +static int acpi_fan_suspend(struct device *dev) { - if (!device) + if (!dev) return -EINVAL; - acpi_bus_set_power(device->handle, ACPI_STATE_D0); + acpi_bus_set_power(to_acpi_device(dev)->handle, ACPI_STATE_D0); return AE_OK; } -static int acpi_fan_resume(struct acpi_device *device) +static int acpi_fan_resume(struct device *dev) { int result; - if (!device) + if (!dev) return -EINVAL; - result = acpi_bus_update_power(device->handle, NULL); + result = acpi_bus_update_power(to_acpi_device(dev)->handle, NULL); if (result) printk(KERN_ERR PREFIX "Error updating fan power state\n"); diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 1564e0927c21..243ee85e4d2e 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -39,6 +39,7 @@ int register_acpi_bus_type(struct acpi_bus_type *type) } return -ENODEV; } +EXPORT_SYMBOL_GPL(register_acpi_bus_type); int unregister_acpi_bus_type(struct acpi_bus_type *type) { @@ -54,6 +55,7 @@ int unregister_acpi_bus_type(struct acpi_bus_type *type) } return -ENODEV; } +EXPORT_SYMBOL_GPL(unregister_acpi_bus_type); static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type) { @@ -69,7 +71,6 @@ static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type) up_read(&bus_type_sem); return ret; } -EXPORT_SYMBOL_GPL(register_acpi_bus_type); static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle) { @@ -86,7 +87,6 @@ static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle) up_read(&bus_type_sem); return ret; } -EXPORT_SYMBOL_GPL(unregister_acpi_bus_type); /* Get device's handler per its address under its parent */ struct acpi_find_child { diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index e56f3be7b07d..cb31298ca684 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -237,6 +237,8 @@ acpi_parse_processor_affinity(struct acpi_subtable_header *header, return 0; } +static int __initdata parsed_numa_memblks; + static int __init acpi_parse_memory_affinity(struct acpi_subtable_header * header, const unsigned long end) @@ -250,8 +252,8 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header, acpi_table_print_srat_entry(header); /* let architecture-dependent part to do it */ - acpi_numa_memory_affinity_init(memory_affinity); - + if (!acpi_numa_memory_affinity_init(memory_affinity)) + parsed_numa_memblks++; return 0; } @@ -304,8 +306,10 @@ int __init acpi_numa_init(void) acpi_numa_arch_fixup(); - if (cnt <= 0) - return cnt ?: -ENOENT; + if (cnt < 0) + return cnt; + else if (!parsed_numa_memblks) + return -ENOENT; return 0; } diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index c86b39217400..72a2c98bc429 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -505,6 +505,8 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); device->driver_data = root; + root->mcfg_addr = acpi_pci_root_get_mcfg_addr(device->handle); + /* * All supported architectures that use ACPI have support for * PCI domains, so we indicate this in _OSC support capabilities. diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index dd6d6a3c6780..215ecd097408 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -60,7 +60,6 @@ ACPI_MODULE_NAME("power"); static int acpi_power_add(struct acpi_device *device); static int acpi_power_remove(struct acpi_device *device, int type); -static int acpi_power_resume(struct acpi_device *device); static const struct acpi_device_id power_device_ids[] = { {ACPI_POWER_HID, 0}, @@ -68,6 +67,9 @@ static const struct acpi_device_id power_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, power_device_ids); +static int acpi_power_resume(struct device *dev); +static SIMPLE_DEV_PM_OPS(acpi_power_pm, NULL, acpi_power_resume); + static struct acpi_driver acpi_power_driver = { .name = "power", .class = ACPI_POWER_CLASS, @@ -75,8 +77,8 @@ static struct acpi_driver acpi_power_driver = { .ops = { .add = acpi_power_add, .remove = acpi_power_remove, - .resume = acpi_power_resume, }, + .drv.pm = &acpi_power_pm, }; /* @@ -390,6 +392,7 @@ void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handl __acpi_power_resource_unregister_device(dev, list->handles[i]); } +EXPORT_SYMBOL_GPL(acpi_power_resource_unregister_device); static int __acpi_power_resource_register_device( struct acpi_power_managed_device *powered_device, acpi_handle handle) @@ -460,6 +463,7 @@ no_power_resource: printk(KERN_WARNING PREFIX "Invalid Power Resource to register!"); return -ENODEV; } +EXPORT_SYMBOL_GPL(acpi_power_resource_register_device); /** * acpi_device_sleep_wake - execute _DSW (Device Sleep Wake) or (deprecated in @@ -771,14 +775,16 @@ static int acpi_power_remove(struct acpi_device *device, int type) return 0; } -static int acpi_power_resume(struct acpi_device *device) +static int acpi_power_resume(struct device *dev) { int result = 0, state; + struct acpi_device *device; struct acpi_power_resource *resource; - if (!device) + if (!dev) return -EINVAL; + device = to_acpi_device(dev); resource = acpi_driver_data(device); if (!resource) return -EINVAL; diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 971c45474703..bfc31cb0dd3e 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -93,6 +93,9 @@ static const struct acpi_device_id processor_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, processor_device_ids); +static SIMPLE_DEV_PM_OPS(acpi_processor_pm, + acpi_processor_suspend, acpi_processor_resume); + static struct acpi_driver acpi_processor_driver = { .name = "processor", .class = ACPI_PROCESSOR_CLASS, @@ -100,10 +103,9 @@ static struct acpi_driver acpi_processor_driver = { .ops = { .add = acpi_processor_add, .remove = acpi_processor_remove, - .suspend = acpi_processor_suspend, - .resume = acpi_processor_resume, .notify = acpi_processor_notify, }, + .drv.pm = &acpi_processor_pm, }; #define INSTALL_NOTIFY_HANDLER 1 @@ -427,22 +429,15 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, * Initialize missing things */ if (pr->flags.need_hotplug_init) { - struct cpuidle_driver *idle_driver = - cpuidle_get_driver(); - printk(KERN_INFO "Will online and init hotplugged " "CPU: %d\n", pr->id); WARN(acpi_processor_start(pr), "Failed to start CPU:" " %d\n", pr->id); pr->flags.need_hotplug_init = 0; - if (idle_driver && !strcmp(idle_driver->name, - "intel_idle")) { - intel_idle_cpu_init(pr->id); - } /* Normal CPU soft online event */ } else { acpi_processor_ppc_has_changed(pr, 0); - acpi_processor_cst_has_changed(pr); + acpi_processor_hotplug(pr); acpi_processor_reevaluate_tstate(pr, action); acpi_processor_tstate_has_changed(pr); } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 9837c9c4f009..ad3730b4038b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -221,10 +221,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr, #endif -/* - * Suspend / resume control - */ -static int acpi_idle_suspend; static u32 saved_bm_rld; static void acpi_idle_bm_rld_save(void) @@ -241,23 +237,15 @@ static void acpi_idle_bm_rld_restore(void) acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld); } -int acpi_processor_suspend(struct acpi_device * device, pm_message_t state) +int acpi_processor_suspend(struct device *dev) { - if (acpi_idle_suspend == 1) - return 0; - acpi_idle_bm_rld_save(); - acpi_idle_suspend = 1; return 0; } -int acpi_processor_resume(struct acpi_device * device) +int acpi_processor_resume(struct device *dev) { - if (acpi_idle_suspend == 0) - return 0; - acpi_idle_bm_rld_restore(); - acpi_idle_suspend = 0; return 0; } @@ -595,7 +583,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, */ cx->valid = 1; - cx->latency_ticks = cx->latency; /* * On older chipsets, BM_RLD needs to be set * in order for Bus Master activity to wake the @@ -628,7 +615,6 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) if (!cx->address) break; cx->valid = 1; - cx->latency_ticks = cx->latency; /* Normalize latency */ break; case ACPI_STATE_C3: @@ -763,11 +749,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, local_irq_disable(); - if (acpi_idle_suspend) { - local_irq_enable(); - cpu_relax(); - return -EBUSY; - } lapic_timer_state_broadcast(pr, cx, 1); kt1 = ktime_get_real(); @@ -779,7 +760,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, dev->last_residency = (int)idle_time; local_irq_enable(); - cx->usage++; lapic_timer_state_broadcast(pr, cx, 0); return index; @@ -838,11 +818,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, local_irq_disable(); - if (acpi_idle_suspend) { - local_irq_enable(); - cpu_relax(); - return -EBUSY; - } if (cx->entry_method != ACPI_CSTATE_FFH) { current_thread_info()->status &= ~TS_POLLING; @@ -887,10 +862,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, if (cx->entry_method != ACPI_CSTATE_FFH) current_thread_info()->status |= TS_POLLING; - cx->usage++; - lapic_timer_state_broadcast(pr, cx, 0); - cx->time += idle_time; return index; } @@ -928,8 +900,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, drv, drv->safe_state_index); } else { local_irq_disable(); - if (!acpi_idle_suspend) - acpi_safe_halt(); + acpi_safe_halt(); local_irq_enable(); return -EBUSY; } @@ -937,11 +908,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, local_irq_disable(); - if (acpi_idle_suspend) { - local_irq_enable(); - cpu_relax(); - return -EBUSY; - } if (cx->entry_method != ACPI_CSTATE_FFH) { current_thread_info()->status &= ~TS_POLLING; @@ -1014,10 +980,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, if (cx->entry_method != ACPI_CSTATE_FFH) current_thread_info()->status |= TS_POLLING; - cx->usage++; - lapic_timer_state_broadcast(pr, cx, 0); - cx->time += idle_time; return index; } diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 6e36d0c0057c..c0b9aa5faf4c 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -988,16 +988,18 @@ static void acpi_sbs_rmdirs(void) #endif } -static int acpi_sbs_resume(struct acpi_device *device) +static int acpi_sbs_resume(struct device *dev) { struct acpi_sbs *sbs; - if (!device) + if (!dev) return -EINVAL; - sbs = device->driver_data; + sbs = to_acpi_device(dev)->driver_data; acpi_sbs_callback(sbs); return 0; } +static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume); + static struct acpi_driver acpi_sbs_driver = { .name = "sbs", .class = ACPI_SBS_CLASS, @@ -1005,8 +1007,8 @@ static struct acpi_driver acpi_sbs_driver = { .ops = { .add = acpi_sbs_add, .remove = acpi_sbs_remove, - .resume = acpi_sbs_resume, }, + .drv.pm = &acpi_sbs_pm, }; static int __init acpi_sbs_init(void) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 148556a8f0f2..d1ecca2b641a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -330,26 +330,6 @@ static void acpi_device_release(struct device *dev) kfree(acpi_dev); } -static int acpi_device_suspend(struct device *dev, pm_message_t state) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = acpi_dev->driver; - - if (acpi_drv && acpi_drv->ops.suspend) - return acpi_drv->ops.suspend(acpi_dev, state); - return 0; -} - -static int acpi_device_resume(struct device *dev) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = acpi_dev->driver; - - if (acpi_drv && acpi_drv->ops.resume) - return acpi_drv->ops.resume(acpi_dev); - return 0; -} - static int acpi_bus_match(struct device *dev, struct device_driver *drv) { struct acpi_device *acpi_dev = to_acpi_device(dev); @@ -481,8 +461,6 @@ static int acpi_device_remove(struct device * dev) struct bus_type acpi_bus_type = { .name = "acpi", - .suspend = acpi_device_suspend, - .resume = acpi_device_resume, .match = acpi_bus_match, .probe = acpi_device_probe, .remove = acpi_device_remove, diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 23a53c013f1e..fdcdbb652915 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -28,36 +28,7 @@ #include "internal.h" #include "sleep.h" -u8 wake_sleep_flags = ACPI_NO_OPTIONAL_METHODS; -static unsigned int gts, bfs; -static int set_param_wake_flag(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - - if (ret) - return ret; - - if (kp->arg == (const char *)>s) { - if (gts) - wake_sleep_flags |= ACPI_EXECUTE_GTS; - else - wake_sleep_flags &= ~ACPI_EXECUTE_GTS; - } - if (kp->arg == (const char *)&bfs) { - if (bfs) - wake_sleep_flags |= ACPI_EXECUTE_BFS; - else - wake_sleep_flags &= ~ACPI_EXECUTE_BFS; - } - return ret; -} -module_param_call(gts, set_param_wake_flag, param_get_int, >s, 0644); -module_param_call(bfs, set_param_wake_flag, param_get_int, &bfs, 0644); -MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend."); -MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".); - static u8 sleep_states[ACPI_S_STATE_COUNT]; -static bool pwr_btn_event_pending; static void acpi_sleep_tts_switch(u32 acpi_state) { @@ -110,6 +81,7 @@ static int acpi_sleep_prepare(u32 acpi_state) #ifdef CONFIG_ACPI_SLEEP static u32 acpi_target_sleep_state = ACPI_STATE_S0; +static bool pwr_btn_event_pending; /* * The ACPI specification wants us to save NVS memory regions during hibernation @@ -305,7 +277,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state) switch (acpi_state) { case ACPI_STATE_S1: barrier(); - status = acpi_enter_sleep_state(acpi_state, wake_sleep_flags); + status = acpi_enter_sleep_state(acpi_state); break; case ACPI_STATE_S3: @@ -319,8 +291,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state) /* This violates the spec but is required for bug compatibility. */ acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1); - /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(acpi_state, wake_sleep_flags); + /* Reprogram control registers */ + acpi_leave_sleep_state_prep(acpi_state); /* ACPI 3.0 specs (P62) says that it's the responsibility * of the OSPM to clear the status bit [ implying that the @@ -603,9 +575,9 @@ static int acpi_hibernation_enter(void) ACPI_FLUSH_CPU_CACHE(); /* This shouldn't return. If it returns, we have a problem */ - status = acpi_enter_sleep_state(ACPI_STATE_S4, wake_sleep_flags); - /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags); + status = acpi_enter_sleep_state(ACPI_STATE_S4); + /* Reprogram control registers */ + acpi_leave_sleep_state_prep(ACPI_STATE_S4); return ACPI_SUCCESS(status) ? 0 : -EFAULT; } @@ -617,8 +589,8 @@ static void acpi_hibernation_leave(void) * enable it here. */ acpi_enable(); - /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags); + /* Reprogram control registers */ + acpi_leave_sleep_state_prep(ACPI_STATE_S4); /* Check the hardware signature */ if (facs && s4_hardware_signature != facs->hardware_signature) { printk(KERN_EMERG "ACPI: Hardware changed while hibernated, " @@ -716,8 +688,9 @@ int acpi_suspend(u32 acpi_state) * @dev: device to examine; its driver model wakeup flags control * whether it should be able to wake up the system * @d_min_p: used to store the upper limit of allowed states range - * Return value: preferred power state of the device on success, -ENODEV on - * failure (ie. if there's no 'struct acpi_device' for @dev) + * @d_max_in: specify the lowest allowed states + * Return value: preferred power state of the device on success, -ENODEV + * (ie. if there's no 'struct acpi_device' for @dev) or -EINVAL on failure * * Find the lowest power (highest number) ACPI device power state that * device @dev can be in while the system is in the sleep state represented @@ -732,13 +705,15 @@ int acpi_suspend(u32 acpi_state) * via @wake. */ -int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) +int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in) { acpi_handle handle = DEVICE_ACPI_HANDLE(dev); struct acpi_device *adev; char acpi_method[] = "_SxD"; unsigned long long d_min, d_max; + if (d_max_in < ACPI_STATE_D0 || d_max_in > ACPI_STATE_D3) + return -EINVAL; if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { printk(KERN_DEBUG "ACPI handle has no context!\n"); return -ENODEV; @@ -746,8 +721,10 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) acpi_method[2] = '0' + acpi_target_sleep_state; /* - * If the sleep state is S0, we will return D3, but if the device has - * _S0W, we will use the value from _S0W + * If the sleep state is S0, the lowest limit from ACPI is D3, + * but if the device has _S0W, we will use the value from _S0W + * as the lowest limit from ACPI. Finally, we will constrain + * the lowest limit with the specified one. */ d_min = ACPI_STATE_D0; d_max = ACPI_STATE_D3; @@ -791,10 +768,20 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) } } + if (d_max_in < d_min) + return -EINVAL; if (d_min_p) *d_min_p = d_min; + /* constrain d_max with specified lowest limit (max number) */ + if (d_max > d_max_in) { + for (d_max = d_max_in; d_max > d_min; d_max--) { + if (adev->power.states[d_max].flags.valid) + break; + } + } return d_max; } +EXPORT_SYMBOL(acpi_pm_device_sleep_state); #endif /* CONFIG_PM */ #ifdef CONFIG_PM_SLEEP @@ -831,6 +818,7 @@ int acpi_pm_device_run_wake(struct device *phys_dev, bool enable) return 0; } +EXPORT_SYMBOL(acpi_pm_device_run_wake); /** * acpi_pm_device_sleep_wake - enable or disable the system wake-up @@ -876,33 +864,7 @@ static void acpi_power_off(void) /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ printk(KERN_DEBUG "%s called\n", __func__); local_irq_disable(); - acpi_enter_sleep_state(ACPI_STATE_S5, wake_sleep_flags); -} - -/* - * ACPI 2.0 created the optional _GTS and _BFS, - * but industry adoption has been neither rapid nor broad. - * - * Linux gets into trouble when it executes poorly validated - * paths through the BIOS, so disable _GTS and _BFS by default, - * but do speak up and offer the option to enable them. - */ -static void __init acpi_gts_bfs_check(void) -{ - acpi_handle dummy; - - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__GTS, &dummy))) - { - printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n"); - printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, " - "please notify linux-acpi@vger.kernel.org\n"); - } - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__BFS, &dummy))) - { - printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n"); - printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, " - "please notify linux-acpi@vger.kernel.org\n"); - } + acpi_enter_sleep_state(ACPI_STATE_S5); } int __init acpi_sleep_init(void) @@ -963,6 +925,5 @@ int __init acpi_sleep_init(void) * object can also be evaluated when the system enters S5. */ register_reboot_notifier(&tts_notifier); - acpi_gts_bfs_check(); return 0; } diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 240a24400976..7c3f98ba4afe 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) { int result = 0; - if (!strncmp(val, "enable", strlen("enable"))) { + if (!strncmp(val, "enable", sizeof("enable") - 1)) { result = acpi_debug_trace(trace_method_name, trace_debug_level, trace_debug_layer, 0); if (result) @@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) goto exit; } - if (!strncmp(val, "disable", strlen("disable"))) { + if (!strncmp(val, "disable", sizeof("disable") - 1)) { int name = 0; result = acpi_debug_trace((char *)&name, trace_debug_level, trace_debug_layer, 0); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 8275e7b06962..9fe90e9fecb5 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -98,7 +98,6 @@ MODULE_PARM_DESC(psv, "Disable or override all passive trip points."); static int acpi_thermal_add(struct acpi_device *device); static int acpi_thermal_remove(struct acpi_device *device, int type); -static int acpi_thermal_resume(struct acpi_device *device); static void acpi_thermal_notify(struct acpi_device *device, u32 event); static const struct acpi_device_id thermal_device_ids[] = { @@ -107,6 +106,9 @@ static const struct acpi_device_id thermal_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, thermal_device_ids); +static int acpi_thermal_resume(struct device *dev); +static SIMPLE_DEV_PM_OPS(acpi_thermal_pm, NULL, acpi_thermal_resume); + static struct acpi_driver acpi_thermal_driver = { .name = "thermal", .class = ACPI_THERMAL_CLASS, @@ -114,9 +116,9 @@ static struct acpi_driver acpi_thermal_driver = { .ops = { .add = acpi_thermal_add, .remove = acpi_thermal_remove, - .resume = acpi_thermal_resume, .notify = acpi_thermal_notify, }, + .drv.pm = &acpi_thermal_pm, }; struct acpi_thermal_state { @@ -1039,16 +1041,17 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) return 0; } -static int acpi_thermal_resume(struct acpi_device *device) +static int acpi_thermal_resume(struct device *dev) { - struct acpi_thermal *tz = NULL; + struct acpi_thermal *tz; int i, j, power_state, result; - - if (!device || !acpi_driver_data(device)) + if (!dev) return -EINVAL; - tz = acpi_driver_data(device); + tz = acpi_driver_data(to_acpi_device(dev)); + if (!tz) + return -EINVAL; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { if (!(&tz->trips.active[i])) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 45d8097ef4cf..b728880ef10e 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -132,6 +132,33 @@ find_video(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; } +/* Force to use vendor driver when the ACPI device is known to be + * buggy */ +static int video_detect_force_vendor(const struct dmi_system_id *d) +{ + acpi_video_support |= ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; + return 0; +} + +static struct dmi_system_id video_detect_dmi_table[] = { + /* On Samsung X360, the BIOS will set a flag (VDRV) if generic + * ACPI backlight device is used. This flag will definitively break + * the backlight interface (even the vendor interface) untill next + * reboot. It's why we should prevent video.ko from being used here + * and we can't rely on a later call to acpi_video_unregister(). + */ + { + .callback = video_detect_force_vendor, + .ident = "X360", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "X360"), + DMI_MATCH(DMI_BOARD_NAME, "X360"), + }, + }, + { }, +}; + /* * Returns the video capabilities of a specific ACPI graphics device * @@ -164,6 +191,8 @@ long acpi_video_get_capabilities(acpi_handle graphics_handle) * ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; *} */ + + dmi_check_system(video_detect_dmi_table); } else { status = acpi_bus_get_device(graphics_handle, &tmp_dev); if (ACPI_FAILURE(status)) { @@ -182,8 +211,7 @@ long acpi_video_get_capabilities(acpi_handle graphics_handle) } EXPORT_SYMBOL(acpi_video_get_capabilities); -/* Returns true if video.ko can do backlight switching */ -int acpi_video_backlight_support(void) +static void acpi_video_caps_check(void) { /* * We must check whether the ACPI graphics device is physically plugged @@ -191,6 +219,34 @@ int acpi_video_backlight_support(void) */ if (!acpi_video_caps_checked) acpi_video_get_capabilities(NULL); +} + +/* Promote the vendor interface instead of the generic video module. + * This function allow DMI blacklists to be implemented by externals + * platform drivers instead of putting a big blacklist in video_detect.c + * After calling this function you will probably want to call + * acpi_video_unregister() to make sure the video module is not loaded + */ +void acpi_video_dmi_promote_vendor(void) +{ + acpi_video_caps_check(); + acpi_video_support |= ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; +} +EXPORT_SYMBOL(acpi_video_dmi_promote_vendor); + +/* To be called when a driver who previously promoted the vendor + * interface */ +void acpi_video_dmi_demote_vendor(void) +{ + acpi_video_caps_check(); + acpi_video_support &= ~ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; +} +EXPORT_SYMBOL(acpi_video_dmi_demote_vendor); + +/* Returns true if video.ko can do backlight switching */ +int acpi_video_backlight_support(void) +{ + acpi_video_caps_check(); /* First check for boot param -> highest prio */ if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR) |