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authorLen Brown <len.brown@intel.com>2007-02-16 22:11:50 -0500
committerLen Brown <len.brown@intel.com>2007-02-16 22:11:50 -0500
commit08e4a10ec82faf5ba67c8d0115b7bc9e58071555 (patch)
treebe31751f933ea26d8e7edb592a19584c3ff50679 /drivers/acpi/bus.c
parent4559b438225b01942e1661759db0df55883b1bc0 (diff)
parentb1028c545ced13590dd9a9a8086543aef26c7187 (diff)
Pull bugzilla-7570 into release branch
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r--drivers/acpi/bus.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index fd37e19360d..0c93cd400dd 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -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;