int size)
{
int len;
+ int count;
- if (!acpi_dev->flags.hardware_id)
+ if (!acpi_dev->flags.hardware_id && !acpi_dev->flags.compatible_ids)
return -ENODEV;
- len = snprintf(modalias, size, "acpi:%s:",
- acpi_dev->pnp.hardware_id);
- if (len < 0 || len >= size)
- return -EINVAL;
+ len = snprintf(modalias, size, "acpi:");
size -= len;
+ if (acpi_dev->flags.hardware_id) {
+ count = snprintf(&modalias[len], size, "%s:",
+ acpi_dev->pnp.hardware_id);
+ if (count < 0 || count >= size)
+ return -EINVAL;
+ len += count;
+ size -= count;
+ }
+
if (acpi_dev->flags.compatible_ids) {
struct acpi_compatible_id_list *cid_list;
int i;
- int count;
cid_list = acpi_dev->pnp.cid_list;
for (i = 0; i < cid_list->count; i++) {
status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer);
if (ACPI_SUCCESS(status)) {
obj = buffer.pointer;
- status = acpi_get_handle(NULL, obj->string.pointer, ejd);
+ status = acpi_get_handle(ACPI_ROOT_OBJECT, obj->string.pointer,
+ ejd);
kfree(buffer.pointer);
}
return status;
device->wakeup.resources.count = package->package.count - 2;
for (i = 0; i < device->wakeup.resources.count; i++) {
element = &(package->package.elements[i + 2]);
- if (element->type != ACPI_TYPE_ANY) {
+ if (element->type != ACPI_TYPE_LOCAL_REFERENCE)
return AE_BAD_DATA;
- }
device->wakeup.resources.handles[i] = element->reference.handle;
}
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;
struct acpi_device_id button_device_ids[] = {
{"PNP0C0D", 0},
{"", 0},
};
-
/* _PRW */
status = acpi_evaluate_object(device->handle, "_PRW", NULL, &buffer);
if (ACPI_FAILURE(status)) {
kfree(buffer.pointer);
device->wakeup.flags.valid = 1;
+ /* Call _PSW/_DSW object to disable its ability to wake the sleeping
+ * system for the ACPI device with the _PRW object.
+ * The _PSW object is depreciated in ACPI 3.0 and is replaced by _DSW.
+ * 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"));
+ }
/* Power button, Lid switch always enable wakeup */
if (!acpi_match_device_ids(device, button_device_ids))
device->wakeup.flags.run_wake = 1;
static int
acpi_video_bus_match(struct acpi_device *device)
{
- acpi_handle h_dummy1;
- acpi_handle h_dummy2;
- acpi_handle h_dummy3;
-
+ acpi_handle h_dummy;
if (!device)
return -EINVAL;
*/
/* Does this device able to support video switching ? */
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) &&
- ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2)))
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) &&
+ ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy)))
return 0;
/* Does this device able to retrieve a video ROM ? */
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1)))
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy)))
return 0;
/* Does this device able to configure which video head to be POSTed ? */
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) &&
- ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) &&
- ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3)))
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy)) &&
+ ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy)) &&
+ ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy)))
return 0;
return -ENODEV;
case ACPI_BUS_TYPE_DEVICE:
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status)) {
- printk(KERN_ERR PREFIX "%s: Error reading device info\n", __FUNCTION__);
+ printk(KERN_ERR PREFIX "%s: Error reading device info\n", __func__);
return;
}
git.openpandora.org / pandora-kernel.git / blobdiff