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From: Thomas Renninger <trenn@suse.de>
To: Matthew Garrett <mjg@redhat.com>
Cc: linux-acpi@vger.kernel.org, lenb@kernel.org, rui.zhang@intel.com
Subject: Re: [PATCH] ACPI video: Be more liberal in validating _BQC behaviour
Date: Mon, 22 Feb 2010 18:24:16 +0100	[thread overview]
Message-ID: <201002221824.16920.trenn@suse.de> (raw)
In-Reply-To: <1266357230-10602-1-git-send-email-mjg@redhat.com>

On Tuesday 16 February 2010 22:53:50 Matthew Garrett wrote:
> Right now, if _BQC returns a value we don't understand we immediately
> invalidate it. Change this behaviour so we only invalidate it if it
> continues to give an invalid answer after we've already set a brightness.
> 
> +			if (!init) {
> +				/*
> +				 * BQC returned an invalid level.
> +				 * Stop using it.
> +				 */
> +				ACPI_WARNING((AE_INFO,
> +					      "%s returned an invalid level",
> +					      buf));
Can you use:
printk(KERN_WARNING FW_WARN "%s returned an invalid level", buf);
instead please.
It would be great if major kernel contributors, especially those working
near the BIOS do make use of the FW_* strings more often!

Cleaning up existing messages is one (work intensive) thing, but please
use it to identify new BIOS issues.

Thanks,

   Thomas

  parent reply	other threads:[~2010-02-22 17:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-16 21:53 [PATCH] ACPI video: Be more liberal in validating _BQC behaviour Matthew Garrett
2010-02-19  6:40 ` Len Brown
2010-02-19 13:54   ` Matthew Garrett
2010-02-22  1:51     ` Zhang Rui
2010-02-22  2:06       ` Matthew Garrett
2010-02-23  6:29         ` Zhang Rui
2010-02-22 17:24 ` Thomas Renninger [this message]
2010-02-22 17:38   ` Matthew Garrett

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