linux-kernel - Re: [PATCH] Revert "ACPI / video: Add HP EliteBook Revolve 810 to the blacklist"

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Message-ID: <5716481.SxKZLEy9L1@vostro.rjw.lan>
Date:	Fri, 14 Feb 2014 23:21:53 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	Takashi Iwai <tiwai@...e.de>, linux-acpi@...r.kernel.org,
	Len Brown <lenb@...nel.org>, Aaron Lu <aaron.lu@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "ACPI / video: Add HP EliteBook Revolve 810 to the blacklist"

On Friday, February 14, 2014 05:26:01 PM Mika Westerberg wrote:
> On Fri, Feb 14, 2014 at 03:46:20PM +0100, Takashi Iwai wrote:
> > The acpi_osi blacklist is just a workaround, and if we have better
> > solutions, it should be removed.  That's why I'm asking it.
> > 
> > So, after removing acpi_osi blacklist, and keeping your video
> > blacklist patch, the backlight works?
> 
> Yes, the backlight works (there is only intel_backlight listed under
> /sys/class/backlight).
> 
> > If yes, as mentioned, we should think of rather extending this video
> > blacklist to more EliteBook G1 and ProBook G1 machines, and remove
> > acpi_osi blacklist instead.
> 
> Makes sense to me. (Well, I'm fine as long as backlight on my machine works
> ;-))
> 
> Aaron, Rafael, any comments on this?

I generally agree with Takashi, but I'm not sure what to do for 3.14.

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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