platform/x86: toshiba: re-enable acpi hotkeys after suspend to disk

On the Toshiba Tecra Z40, after a suspend-to-disk, some FN hotkeys
driven by toshiba_acpi are not functional.

Calling the ACPI object ENAB on resume makes them back alive.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
Benjamin Tissoires 2014-09-02 14:04:19 -04:00 коммит произвёл Darren Hart
Родитель b3d94d7011
Коммит e7fdb762b9
1 изменённых файлов: 8 добавлений и 1 удалений

Просмотреть файл

@ -1857,9 +1857,16 @@ static int toshiba_acpi_resume(struct device *device)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
u32 result;
acpi_status status;
if (dev->hotkey_dev) {
status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB",
NULL, NULL);
if (ACPI_FAILURE(status))
pr_info("Unable to re-enable hotkeys\n");
if (dev->hotkey_dev)
hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE, &result);
}
return 0;
}