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ACPI: fix fan after resume from S3

Browse Source 
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>
This commit is contained in:
Konstantin Karasyov
2007-02-16 02:23:07 -05:00
committed by Len Brown
parent 724339d76d
commit b1028c545c
3 changed files with 27 additions and 20 deletions
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15
drivers/acpi/bus.c
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@ -199,15 +199,14 @@ int acpi_bus_set_power(acpi_handle handle, int state)
* 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;