From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH] ACPI / video: Add some samsung models to disable_native_backlight list
Date: Mon, 22 Dec 2014 23:36:40 +0100
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To: Aaron Lu <aaron.lu@intel.com>
Cc: ACPI Devel Mailing List <linux-acpi@vger.kernel.org>, Brent Saner <brent.saner@gmail.com>, Vitaliy Filippov <vitalif@yourcmc.ru>, Laszlo KREKACS <laszlo.krekacs.list@gmail.com>, Vladimir Perepechin <vovochka13@gmail.com>

On Monday, December 22, 2014 03:18:05 PM Aaron Lu wrote:
> The SAMSUNG 870Z5E/880Z5E/680Z5E and SAMSUNG
> 370R4E/370R4V/370R5E/3570RE/370R5V do not have a working native
> backlight control interface so restore their acpi_videoX interface.
> 
> Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=84221
> Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=84651
> For SAMSUNG 870Z5E/880Z5E/680Z5E:
> Reported-and-tested-by: Brent Saner <brent.saner@gmail.com>
> Reported-by: Vitaliy Filippov <vitalif@yourcmc.ru>
> Reported-by: Laszlo KREKACS <laszlo.krekacs.list@gmail.com>
> For SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V:
> Reported-by: Vladimir Perepechin <vovochka13@gmail.com>
> Cc: 3.17+ <stable@vger.kernel.org> # 3.17+
> Signed-off-by: Aaron Lu <aaron.lu@intel.com>

Applied, thanks!

> ---
>  drivers/acpi/video.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index adf4b4cf0be6..43384360c2b1 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -492,6 +492,23 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
>  		DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
>  		},
>  	},
> +
> +	{
> +	 .callback = video_disable_native_backlight,
> +	 .ident = "SAMSUNG 870Z5E/880Z5E/680Z5E",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "870Z5E/880Z5E/680Z5E"),
> +		},
> +	},
> +	{
> +	 .callback = video_disable_native_backlight,
> +	 .ident = "SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
> +		},
> +	},
>  	{}
>  };
>  
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.