On Mon, Mar 20, 2023 at 4:59 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> The Acer Aspire 3830TG predates Windows 8, so it defaults to using
> acpi_video# for backlight control, but this is non functional on
> this model.
>
> Add a DMI quirk to use the native backlight interface which does
> work properly.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/acpi/video_detect.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 710ac640267d..c69b42a60427 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -495,6 +495,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
> DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
> },
> },
> + {
> + .callback = video_detect_force_native,
> + /* Acer Aspire 3830TG */
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3830TG"),
> + },
> + },
> {
> .callback = video_detect_force_native,
> /* Acer Aspire 4810T */
> --
Applied as 6.3-rc material, thanks!
