From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: ACPI/i915: Cannot configure display brightness on Dell Latitude E6440 Date: Thu, 25 Sep 2014 21:58:48 +0200 Message-ID: <1481425.msp1jP3vqe@vostro.rjw.lan> References: <201409232206.02819@pali> <201409242021.10107@pali> <542388D7.1010008@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <542388D7.1010008@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Aaron Lu Cc: linux-acpi@vger.kernel.org, David Airlie , Daniel Vetter , intel-gfx@lists.freedesktop.org, "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Pali =?ISO-8859-1?Q?Roh=E1r?= , Zhang Rui , Len Brown List-Id: linux-acpi@vger.kernel.org T24gVGh1cnNkYXksIFNlcHRlbWJlciAyNSwgMjAxNCAxMToxNTozNSBBTSBBYXJvbiBMdSB3cm90 ZToKPiBIaSBIYW5zLAo+IAo+IFRoYW5rcyBmb3IgZm9sbG93aW5nIHVwIGFuZCBleHBsYWluaW5n IHRoZSBzaXR1YXRpb24gdG8gUGFsaS4KPiAKPiBPbiAwOS8yNS8yMDE0IDAyOjIxIEFNLCBQYWxp IFJvaMOhciB3cm90ZToKPiA+IE9uIFdlZG5lc2RheSAyNCBTZXB0ZW1iZXIgMjAxNCAxNjozNDoy MSBIYW5zIGRlIEdvZWRlIHdyb3RlOgo+ID4+IE9rLCBzbyB0aGUgZGVsbC1sYXB0b3AgaW50ZXJm YWNlIGlzIGp1c3QgYW4gb2Jzb2xldGUgd3JhcHBlcgo+ID4+IGFyb3VuZCB0aGUgaTkxNSBvcHJl Z2lvbiBjb2RlLCB3aGljaCBzaG93cyB0aGF0IHRoZSByaWdodAo+ID4+IGludGVyZmFjZSB0byB1 c2UgaXMgdGhlIGk5MTUgb25lLCB3aGljaCB3ZSBkbyBpZiB5b3UgZG9uJ3QKPiA+PiBzcGVjaWZ5 IGFueSBrZXJuZWwgY29tbWFuZGxpbmUgcGFyYW1ldGVycywgY2FzZSBjbG9zZWQuCj4gPj4KPiA+ PiBSZWdhcmRzLAo+ID4+Cj4gPj4gSGFucwo+ID4gCj4gPiBOb3BlLCBpdHMgbm90IGNsb3NlZC4K 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