summaryrefslogtreecommitdiff
path: root/drivers/acpi/x86/utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/x86/utils.c')
-rw-r--r--drivers/acpi/x86/utils.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index 4ee30c2897a2..418951639f51 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -82,6 +82,18 @@ static const struct override_status_id override_status_ids[] = {
}),
/*
+ * Lenovo Yoga Book uses PWM2 for touch keyboard backlight control.
+ * It needs to be enabled only for the Android device version (YB1-X90*
+ * aka YETI-11); the Windows version (YB1-X91*) uses ACPI control
+ * methods.
+ */
+ PRESENT_ENTRY_HID("80862289", "2", INTEL_ATOM_AIRMONT, {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
+ }),
+
+ /*
* The INT0002 device is necessary to clear wakeup interrupt sources
* on Cherry Trail devices, without it we get nobody cared IRQ msgs.
*/