ACPI: Introduce acpi_device_sleep_wake function

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / acpi / scan.c

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 6d85289f1c12ad50fdf46ddd72a863c00d1070db..f276890cfde7924767cd555d584e1d960269cf86 100644 (file)
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -691,9 +691,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
        acpi_status status = 0;
        struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
        union acpi_object *package = NULL;
-       union acpi_object in_arg[3];
-       struct acpi_object_list arg_list = { 3, in_arg };
-       acpi_status psw_status = AE_OK;
+       int psw_error;
 
        struct acpi_device_id button_device_ids[] = {
                {"PNP0C0D", 0},
@@ -725,39 +723,11 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
         * So it is necessary to call _DSW object first. Only when it is not
         * present will the _PSW object used.
         */
-       /*
-        * Three agruments are needed for the _DSW object.
-        * Argument 0: enable/disable the wake capabilities
-        * When _DSW object is called to disable the wake capabilities, maybe
-        * the first argument is filled. The value of the other two agruments
-        * is meaningless.
-        */
-       in_arg[0].type = ACPI_TYPE_INTEGER;
-       in_arg[0].integer.value = 0;
-       in_arg[1].type = ACPI_TYPE_INTEGER;
-       in_arg[1].integer.value = 0;
-       in_arg[2].type = ACPI_TYPE_INTEGER;
-       in_arg[2].integer.value = 0;
-       psw_status = acpi_evaluate_object(device->handle, "_DSW",
-                                               &arg_list, NULL);
-       if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND))
-               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in evaluate _DSW\n"));
-       /*
-        * When the _DSW object is not present, OSPM will call _PSW object.
-        */
-       if (psw_status == AE_NOT_FOUND) {
-               /*
-                * Only one agruments is required for the _PSW object.
-                * agrument 0: enable/disable the wake capabilities
-                */
-               arg_list.count = 1;
-               in_arg[0].integer.value = 0;
-               psw_status = acpi_evaluate_object(device->handle, "_PSW",
-                                               &arg_list, NULL);
-               if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND))
-                       ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in "
-                                               "evaluate _PSW\n"));
-       }
+       psw_error = acpi_device_sleep_wake(device, 0, 0, 0);
+       if (psw_error)
+               ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+                               "error in _DSW or _PSW evaluation\n"));
+
        /* Power button, Lid switch always enable wakeup */
        if (!acpi_match_device_ids(device, button_device_ids))
                device->wakeup.flags.run_wake = 1;