Re: [PATCH] ACPI: video: Add backlight=native quirk for Lenovo Slim 7 16ARH7

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On Mon, May 6, 2024 at 4:08 PM Takashi Iwai <tiwai@xxxxxxx> wrote:
>
> Lenovo Slim 7 16ARH7 is a machine with switchable graphics between AMD
> and Nvidia, and the backlight can't be adjusted properly unless
> acpi_backlight=native is passed.  Although nvidia-wmi-backlight is
> present and loaded, this doesn't work as expected at all.
>
> For making it working as default, add the corresponding quirk entry
> with a DMI matching "LENOVO" "82UX".
>
> Link: https://bugzilla.suse.com/show_bug.cgi?id=1217750
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
>  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 9fdcc620c652..2cc3821b2b16 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -497,6 +497,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
>                 DMI_MATCH(DMI_PRODUCT_NAME, "82BK"),
>                 },
>         },
> +       {
> +        .callback = video_detect_force_native,
> +        /* Lenovo Slim 7 16ARH7 */
> +        .matches = {
> +               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +               DMI_MATCH(DMI_PRODUCT_NAME, "82UX"),
> +               },
> +       },
>         {
>          .callback = video_detect_force_native,
>          /* Lenovo ThinkPad X131e (3371 AMD version) */
> --

Applied as 6.10 material, thanks!





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