On Thu, Feb 2, 2023 at 1:44 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> Multiple Ideapad Z570 variants need acpi_backlight=native to force native
> use on these pre Windows 8 machines since acpi_video backlight control
> does not work here.
>
> The original DMI quirk matches on a product_name of "102434U" but other
> variants may have different product_name-s such as e.g. "1024D9U".
>
> Move to checking product_version instead as is more or less standard for
> Lenovo DMI quirks for similar reasons.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/acpi/video_detect.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index a8c02608dde4..710ac640267d 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -434,7 +434,7 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
> /* Lenovo Ideapad Z570 */
> .matches = {
> DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> - DMI_MATCH(DMI_PRODUCT_NAME, "102434U"),
> + DMI_MATCH(DMI_PRODUCT_VERSION, "Ideapad Z570"),
> },
> },
> {
> --
Applied as 6.3 material, thanks!
