@@ -163,9 +163,10 @@ struct always_present_device_id {
static const struct always_present_device_id always_present_device_ids[] = {
/*
- * Cherry Trail PWM directly poked by GPU driver in win10,
+ * Bay / Cherry Trail PWM directly poked by GPU driver in win10,
* but Linux uses a separate PWM driver, harmless if not used.
*/
+ ENTRY("80860F09", "1", ICPU(INTEL_FAM6_ATOM_SILVERMONT1)),
ENTRY("80862288", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT)),
/*
* The INT0002 device is necessary to clear wakeup interrupt sources
Just like on Cherry Trail, on some Bay Trail Windows 10 tablets we need to enable the PWM controller to get working backlight even though _STA returns 0. Add an entry for the the Bay Trail PWM controller to list of always-present devices to fix backlight control not working on some Bay Trail devices. Signed-off-by: Hans de Goede <hdegoede@redhat.com> --- Changes in v6: -This is a new patch in v6 of this patch-set --- drivers/acpi/bus.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)