Re: [PATCH] ACPI video: ignore BIOS initial backlight value for HP 1000

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On Monday, May 06, 2013 04:23:43 PM Alex Hung wrote:
> On HP 1000 lapops, BIOS reports minimum backlight on boot and
> causes backlight to dim completely. This ignores the initial backlight
> values and set to max brightness.
> 
> Buglink: https://bugs.launchpad.net/bugs/1167760
> 
> Signed-off-by: Alex Hung <alex.hung@xxxxxxxxxxxxx>

Queued up for a post-3.10-rc1 push as 3.10 material.

Thanks,
Rafael


> ---
>  drivers/acpi/video.c |    8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index c3932d0..5b32e15 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -456,6 +456,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
>  		DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
>  		},
>  	},
> +	{
> +	 .callback = video_ignore_initial_backlight,
> +	 .ident = "HP 1000 Notebook PC",
> +	 .matches = {
> +		DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
> +		},
> +	},
>  	{}
>  };
>  
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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