ACPI: fix fan after resume from S3
http://bugzilla.kernel.org/show_bug.cgi?id=7570
Signed-off-by: Konstantin Karasyov <konstantin.a.karasyov@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index c26468d..be9a878 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -199,15 +199,14 @@
* Get device's current power state if it's unknown
* This means device power state isn't initialized or previous setting failed
*/
- if (!device->flags.force_power_state) {
- if (device->power.state == ACPI_STATE_UNKNOWN)
- acpi_bus_get_power(device->handle, &device->power.state);
- if (state == device->power.state) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
- state));
- return 0;
- }
+ if ((device->power.state == ACPI_STATE_UNKNOWN) || device->flags.force_power_state)
+ acpi_bus_get_power(device->handle, &device->power.state);
+ if ((state == device->power.state) && !device->flags.force_power_state) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
+ state));
+ return 0;
}
+
if (!device->power.states[state].flags.valid) {
printk(KERN_WARNING PREFIX "Device does not support D%d\n", state);
return -ENODEV;