Re: [PATCH] ACPI: video: Allow selecting NVidia-WMI-EC or Apple GMUX backlight from the cmdline

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On Mon, Jan 9, 2023 at 8:18 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> The patches adding NVidia-WMI-EC and Apple GMUX backlight detection
> support to acpi_video_get_backlight_type(), forgot to update
> acpi_video_parse_cmdline() to allow manually selecting these from
> the commandline.
>
> Add support for these to acpi_video_parse_cmdline().
>
> Fixes: fe7aebb40d42 ("ACPI: video: Add Nvidia WMI EC brightness control detection (v3)")
> Fixes: 21245df307cb ("ACPI: video: Add Apple GMUX brightness control detection")
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/acpi/video_detect.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 1b78c7434492..8a541efc5675 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -50,6 +50,10 @@ static void acpi_video_parse_cmdline(void)
>                 acpi_backlight_cmdline = acpi_backlight_video;
>         if (!strcmp("native", acpi_video_backlight_string))
>                 acpi_backlight_cmdline = acpi_backlight_native;
> +       if (!strcmp("nvidia_wmi_ec", acpi_video_backlight_string))
> +               acpi_backlight_cmdline = acpi_backlight_nvidia_wmi_ec;
> +       if (!strcmp("apple_gmux", acpi_video_backlight_string))
> +               acpi_backlight_cmdline = acpi_backlight_apple_gmux;
>         if (!strcmp("none", acpi_video_backlight_string))
>                 acpi_backlight_cmdline = acpi_backlight_none;
>  }
> --

Applied as 6.2-rc material, thanks!



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