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asus-wmi: use ASUS_WMI_METHODID_DSTS2 as default DSTS ID.

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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>
Cc: stable@kernel.org
This commit is contained in:
Alex Hung 2012-06-20 11:47:35 +08:00 committed by Matthew Garrett
parent f948ad0787
commit 63a78bb105
1 changed files with 1 additions and 6 deletions
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7
drivers/platform/x86/asus-wmi.c
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@ -1467,14 +1467,9 @@ 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->quirks->wapf >= 0)