linux-kernel - Re: [PATCH] acpi: video: fix acpi

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Date:	Thu, 20 May 2010 11:11:52 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	Kamal Mostafa <kamal@...onical.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Jiri Kosina <jkosina@...e.cz>,
	"stable@...nel.org" <stable@...nel.org>
Subject: Re: [PATCH] acpi: video: fix acpi_backlight=video

On Sun, 2010-05-02 at 03:09 +0800, Kamal Mostafa wrote:
> Make "acpi_backlight=video" param enable ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO
> as intended, instead of incorrectly enabling video output switching.
> 
> BugLink: http://bugs.launchpad.net/bugs/573120
> 
Acked-by: Zhang Rui <rui.zhang@...el.com>

> Signed-off-by: Kamal Mostafa <kamal@...onical.com>
> Cc: Len Brown <lenb@...nel.org>
> Cc: Zhang Rui <rui.zhang@...el.com>
> Cc: Bjorn Helgaas <bjorn.helgaas@...com>
> Cc: Jiri Kosina <jkosina@...e.cz>
> Cc: <stable@...nel.org>
> ---
>  drivers/acpi/video_detect.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index fc2f26b..c5fef01 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -250,7 +250,7 @@ static int __init acpi_backlight(char *str)
>  				ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR;
>  		if (!strcmp("video", str))
>  			acpi_video_support |=
> -				ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO;
> +				ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO;
>  	}
>  	return 1;
>  }


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