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asus-wmi: use ASUS_WMI_METHODID_DSTS2 as default DSTS ID.

commit 63a78bb upstream.

According to responses from the BIOS team, ASUS_WMI_METHODID_DSTS2
(0x53545344) will be used as future DSTS ID. In addition, calling
asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL) returns
ASUS_WMI_UNSUPPORTED_METHOD in new ASUS laptop PCs. This patch fixes
no DSTS ID will be assigned in this case.

Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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Alex Hung authored and bwhacks committed Jun 20, 2012
1 parent 7499bd6 commit 785781699d5534735e59edc74886fc59752dcabd
Showing with 1 addition and 6 deletions.
  1. +1 −6 drivers/platform/x86/asus-wmi.c
@@ -1431,14 +1431,9 @@ static int asus_wmi_platform_init(struct asus_wmi *asus)
*/
if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL))
asus->dsts_id = ASUS_WMI_METHODID_DSTS;
- else if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL))
+ else
asus->dsts_id = ASUS_WMI_METHODID_DSTS2;
- if (!asus->dsts_id) {
- pr_err("Can't find DSTS");
- return -ENODEV;
- }
-
/* CWAP allow to define the behavior of the Fn+F2 key,
* this method doesn't seems to be present on Eee PCs */
if (asus->driver->wapf >= 0)

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