Re: [PATCH] video: add quirk table for video backlight vendor mode

[Matthew Garrett <mjg59@srcf.ucam.org>]

On Mon, Mar 19, 2012 at 02:03:47PM +0800, Lee, Chun-Yi wrote:

> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index f3f0fe7..acb15d6 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -132,6 +132,32 @@ find_video(acpi_handle handle, u32 lvl, void *context, void **rv)
>  	return AE_OK;
>  }
>  
> +static int video_set_backlight_vendor(const struct dmi_system_id *d)
> +{
> +	acpi_video_support |= ACPI_VIDEO_BACKLIGHT_DMI_VENDOR;
> +	return 0;
> +}
> +
> +static const struct dmi_system_id video_vendor_dmi_table[] = {
> +	{
> +	 .callback = video_set_backlight_vendor,
> +	 .ident = "Acer Aspire 4736",
> +	 .matches = {
> +		DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 4736"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_backlight_vendor,
> +	 .ident = "Acer TravelMate 4750",
> +	 .matches = {
> +		DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
> +		},
> +	},
> +	{}
> +};
> +

I think it would be neater to put this in the Acer driver and have it 
call unregister_acpi_video().

-- 
Matthew Garrett | mjg59@srcf.ucam.org