ACK: [PATCH v2] [trusty] SAUCE: Add use native backlight quirk for Dell Inspiron 5547/5447

[Brad Figg]

On 07/10/2014 07:20 AM, Edward Lin wrote:
> BugLink: http://bugs.launchpad.net/bugs/1332437
> 
> The ACPI backlight control is broken on these 2 models.
> Since backlight control works on 3.16.0-999-generic #201406200205,
> and also works on 3.13.0-29 with video.use_native_backlight=1.
> Add use native backlight quirk for these 2 models as the workaround.
> 
> This patch can be ignored after 3.16-r2.
> 
> Changes v1 -> v2:
>   - exclude Dell Inspiron 5737 from quirk
> 
> Signed-off-by: Edward Lin <yidi.lin at canonical.com>
> ---
>  drivers/acpi/video.c |   16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index 5b6f970..ffdd2c6 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -500,6 +500,22 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
>  	},
>  	{
>  	 .callback = video_set_use_native_backlight,
> +	 .ident = "Dell Inspiron 5547",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5547"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "Dell Inspiron 5447",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5447"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
>  	 .ident = "Acer Aspire 5733Z",
>  	 .matches = {
>  		DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
>