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

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Message-ID: <20140214152601.GL5018@intel.com>
Date:	Fri, 14 Feb 2014 17:26:01 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-acpi@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	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 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?
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