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ACPI: create acpi_fan_suspend()/acpi_fan_resume()

Browse Source 
http://bugzilla.kernel.org/show_bug.cgi?id=5000

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Konstantin Karasyov
2006-05-08 00:00:00 -04:00
committed by Len Brown
parent 531881d665
commit 0feabb01d9
3 changed files with 50 additions and 7 deletions
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14
drivers/acpi/bus.c
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@@ -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",