On Thursday, February 14, 2019 6:05:58 PM CET Hans de Goede wrote:
> Hi,
>
> On 09-02-19 11:06, Yauhen Kharuzhy wrote:
> > Lenovo Yoga Book uses PWM2 for controlling keyboard backlight but this
> > device is hidden in the DSDT in Windows version of notebook (if OSID == 1).
> >
> > Make this device always present for this notebook.
> >
> > Signed-off-by: Yauhen Kharuzhy <jekhor@xxxxxxxxx>
>
> Patch looks good to me:
>
> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
>
> Regards,
>
> Hans
>
>
>
> > ---
> > drivers/acpi/x86/utils.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
> > index 9a8e286dd86f..c6df14802741 100644
> > --- a/drivers/acpi/x86/utils.c
> > +++ b/drivers/acpi/x86/utils.c
> > @@ -56,6 +56,11 @@ static const struct always_present_id always_present_ids[] = {
> > */
> > ENTRY("80860F09", "1", ICPU(INTEL_FAM6_ATOM_SILVERMONT), {}),
> > ENTRY("80862288", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {}),
> > +
> > + /* Lenovo Yoga Book uses PWM2 for keyboard backlight control */
> > + ENTRY("80862289", "2", ICPU(INTEL_FAM6_ATOM_AIRMONT), {
> > + DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9"),
> > + }),
> > /*
> > * The INT0002 device is necessary to clear wakeup interrupt sources
> > * on Cherry Trail devices, without it we get nobody cared IRQ msgs.
> >
>
Patch applied, thanks!
