On Tue, Aug 24, 2021 at 3:03 PM Ulrich Huber <ulrich@xxxxxxxxxxxxxx> wrote:
>
> The Lenovo Yoga 9 (14INTL5)'s ACPI _LID is bugged:
>
> After hibernation the lid is initially reported as closed.
> Once closing and then reopening the lid reports the lid as
> open again. This leads to the conclusion that the initial
> notification of the lid is missing but subsequent
> notifications are correct.
>
> In order fo the Linux LID code to handle this device properly
> the lid_init_state must be set to ACPI_BUTTON_LID_INIT_OPEN.
>
> Signed-off-by: Ulrich Huber <ulrich@xxxxxxxxxxxxxx>
> ---
> drivers/acpi/button.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
> index f25bd336113b..1f9b9a4c38c7 100644
> --- a/drivers/acpi/button.c
> +++ b/drivers/acpi/button.c
> @@ -77,6 +77,17 @@ static const struct dmi_system_id dmi_lid_quirks[] = {
> },
> .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_DISABLED,
> },
> + {
> + /*
> + * Lenovo Yoga 9 14ITL5, initial notification of the LID device
> + * never happens.
> + */
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "82BG"),
> + },
> + .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN,
> + },
> {
> /*
> * Medion Akoya E2215T, notification of the LID device only
> --
Applied as 5.15 material, thanks!
