Re: [PATCH] ACPI video: Ignore errors after _DOD evaluation.

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On 六, 2012-10-13 at 04:41 +0400, Igor Murzov wrote:
> There are systems where video module known to work fine regardless
> of broken _DOD and ignoring returned value here doesn't cause
> any issues later. This should fix brightness controls on some laptops.
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47861
> 
> Signed-off-by: Igor Murzov <e-mail@xxxxxxx>
> Reviewed-by: Sergey V <sftp.mtuci@xxxxxxxxx>

applied to my next branch.

thanks,
rui
> ---
> Previous discussion of the issue:
> http://thread.gmane.org/gmane.linux.acpi.devel/56345
> 
>  drivers/acpi/video.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index f94d4c8..0230cb6 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -1345,12 +1345,15 @@ static int
>  acpi_video_bus_get_devices(struct acpi_video_bus *video,
>  			   struct acpi_device *device)
>  {
> -	int status;
> +	int status = 0;
>  	struct acpi_device *dev;
>  
> -	status = acpi_video_device_enumerate(video);
> -	if (status)
> -		return status;
> +	/*
> +	 * There are systems where video module known to work fine regardless
> +	 * of broken _DOD and ignoring returned value here doesn't cause
> +	 * any issues later.
> +	 */
> +	acpi_video_device_enumerate(video);
>  
>  	list_for_each_entry(dev, &device->children, node) {
>  


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