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authorLen Brown <len.brown@intel.com>2006-06-15 21:36:11 -0400
committerLen Brown <len.brown@intel.com>2006-06-15 21:36:11 -0400
commit8f2ddb37e564a9616c05fa0d5652e0049072a730 (patch)
treea28df8762bb77979b0ff8cc14cfcc12a1204ca09 /drivers/acpi/bus.c
parent5b542e4422766d644ca303b8a47b27ec9eeeef3a (diff)
parent74ce1468128e299fe6a85e7e78e528e45e72d6d9 (diff)
downloadop-kernel-dev-8f2ddb37e564a9616c05fa0d5652e0049072a730.zip
op-kernel-dev-8f2ddb37e564a9616c05fa0d5652e0049072a730.tar.gz
Pull bugzilla-5000 into release branch
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r--drivers/acpi/bus.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index b77f03d..dd3983c 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -205,12 +205,14 @@ 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->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_VALUE(0);
+ 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_VALUE(0);
+ }
}
if (!device->power.states[state].flags.valid) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Device does not support D%d\n",
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