Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5753dd53 authored by Carlos Corbacho's avatar Carlos Corbacho Committed by Andi Kleen
Browse files

acer-wmi: Disable device autodetection on Fujitsu Siemens Amilo Li2732 



The AMW0 (V1) device detection method doesn't work properly on this laptop,
so disable it, and for other laptops that may have this problem, by
switching on a strange GUID.

Signed-off-by: default avatarCarlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
parent 6f061ab5

drivers/misc/acer-wmi.c

+10 −0
Original line number Diff line number Diff line
@@ -88,6 +88,7 @@ struct acer_quirks { 
 * Acer ACPI method GUIDs

 */

#define AMW0_GUID1		"67C3371D-95A3-4C37-BB61-DD47B491DAAB"

#define AMW0_GUID2		"431F16ED-0C2B-444C-B267-27DEB140CF9C"

#define WMID_GUID1		"6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"

#define WMID_GUID2		"95764E09-FB56-4e83-B31A-37761F60994A"
@@ -548,6 +549,15 @@ static acpi_status AMW0_set_capabilities(void) 
	struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };

	union acpi_object *obj;



	/*

	 * On laptops with this strange GUID (non Acer), normal probing doesn't

	 * work.

	 */

	if (wmi_has_guid(AMW0_GUID2)) {

		interface->capability |= ACER_CAP_WIRELESS;

		return AE_OK;

	}



	args.eax = ACER_AMW0_WRITE;

	args.ecx = args.edx = 0;