The GPD win BIOS dated 20170320 has disabled the accelerometer, the
drivers sometimes cause crashes under Windows and this is how the
manufacturer has solved this :|
I see no other way to keep the accelerometer working under Windows then
adding it to the always_present_ids array.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/acpi/x86/utils.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index eb6caf6f708b..b4fbb9929482 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -70,6 +70,19 @@ static const struct always_present_id always_present_ids[] = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"),
}),
+ /*
+ * The GPD win BIOS dated 20170320 has disabled the accelerometer, the
+ * drivers sometimes cause crashes under Windows and this is how the
+ * manufacturer has solved this :| Note that the the DMI data is less
+ * generic then it seems, a board_vendor of "AMI Corporation" is quite
+ * rare and a board_name of "Default String" also is rare.
+ */
+ ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {
+ DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+ DMI_MATCH(DMI_BOARD_NAME, "Default string"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+ DMI_MATCH(DMI_BIOS_DATE, "03/20/2017")
+ }),
};
bool acpi_device_always_present(struct acpi_device *adev)
--
2.13.0
--
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