Re: [PATCH] ACPI / video: Add a quirk to force acpi-video backlight on Samsung 670Z5E

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On Monday, March 19, 2018 6:01:45 PM CET Hans de Goede wrote:
> Just like many other Samsung models, the 670Z5E needs to use the acpi-video
> backlight interface rather then the native one for backlight control to
> work, add a quirk for this.
> 
> Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1557060
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/acpi/video_detect.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 601e5d372887..43587ac680e4 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -219,6 +219,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
>  			  "3570R/370R/470R/450R/510R/4450RV"),
>  		},
>  	},
> +	{
> +	 /* https://bugzilla.redhat.com/show_bug.cgi?id=1557060 */
> +	 .callback = video_detect_force_video,
> +	 .ident = "SAMSUNG 670Z5E",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "670Z5E"),
> +		},
> +	},
>  	{
>  	 /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */
>  	 .callback = video_detect_force_video,
> 

Applied, thanks!





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