linux-kernel - Re: [PATCH] acpi/video: Add quirk for the Colorful X15 AT 23 Laptop

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Message-ID: <CAJZ5v0gR3v3rs5nk5B61TjY8+sYeOGWD_uNBY4SKXEL0Qi4jZQ@mail.gmail.com>
Date:   Wed, 6 Dec 2023 21:00:53 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Yuluo Qiu <qyl27@...look.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Celeste Liu <CoelacanthusHex@...il.com>
Subject: Re: [PATCH] acpi/video: Add quirk for the Colorful X15 AT 23 Laptop

On Sun, Nov 26, 2023 at 3:00 PM Yuluo Qiu <qyl27@...look.com> wrote:
>
> The Colorful X15 AT 23 ACIP video-bus device report spurious
> ACPI_VIDEO_NOTIFY_CYCLE events resulting in spurious KEY_SWITCHVIDEOMODE
> events being reported to userspace (and causing trouble there) when
> an external screen plugged in.
>
> Add a quirk setting the report_key_events mask to
> REPORT_BRIGHTNESS_KEY_EVENTS so that the ACPI_VIDEO_NOTIFY_CYCLE
> events will be ignored, while still reporting brightness up/down
> hotkey-presses to userspace normally.
>
> Signed-off-by: Yuluo Qiu <qyl27@...look.com>
> Co-developed-by: Celeste Liu <CoelacanthusHex@...il.com>
> Signed-off-by: Celeste Liu <CoelacanthusHex@...il.com>
> ---
>  drivers/acpi/acpi_video.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
> index d321ca7160d9..c54a364ffff3 100644
> --- a/drivers/acpi/acpi_video.c
> +++ b/drivers/acpi/acpi_video.c
> @@ -503,6 +503,15 @@ static const struct dmi_system_id video_dmi_table[] = {
>                 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),
>                 },
>         },
> +       {
> +        .callback = video_set_report_key_events,
> +        .driver_data = (void *)((uintptr_t)REPORT_BRIGHTNESS_KEY_EVENTS),
> +        .ident = "COLORFUL X15 AT 23",
> +        .matches = {
> +               DMI_MATCH(DMI_SYS_VENDOR, "COLORFUL"),
> +               DMI_MATCH(DMI_PRODUCT_NAME, "X15 AT 23"),
> +               },
> +       },
>         /*
>          * Some machines change the brightness themselves when a brightness
>          * hotkey gets pressed, despite us telling them not to. In this case
> --

Applied as 6.8 material, thanks!