From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: PROBLEM: Native backlight regressed from logarithmic to linear scale Date: Fri, 08 Aug 2014 12:38:13 +0300 Message-ID: <87k36jmid6.fsf@intel.com> References: <53D76D65.6030704@redhat.com> <20140729103822.GO4747@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 850A66E06D for ; Fri, 8 Aug 2014 02:38:17 -0700 (PDT) In-Reply-To: <20140729103822.GO4747@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter , Anders Kaseorg Cc: intel-gfx@lists.freedesktop.org, "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCAyOSBKdWwgMjAxNCwgRGFuaWVsIFZldHRlciA8ZGFuaWVsQGZmd2xsLmNoPiB3cm90 ZToKPiBPbiBUdWUsIEp1bCAyOSwgMjAxNCBhdCAwNjoxNDoxNkFNIC0wNDAwLCBBbmRlcnMgS2Fz ZW9yZyB3cm90ZToKPj4gT24gVHVlLCAyOSBKdWwgMjAxNCwgSGFucyBkZSBHb2VkZSB3cm90ZToK Pj4gPiBJJ3ZlIGJlZW4gdGhpbmtpbmcgYSBiaXQgYWJvdXQgdGhpcywgYW5kIEkgYmVsaWV2ZSB0 aGF0IHRoZSByaWdodCBhbnN3ZXIgCj4+ID4gaGVyZSBpcyB0byBkbyB0aGUgbGluZWFyIHRvIGxv Z2FyaXRobWljIG1hcHBpbmcgaW4gdXNlci1zcGFjZS4gVGhlIGludGVsIAo+PiA+IGJhY2tsaWdo dCBpbnRlcmZhY2UgaGFzIGEgdHlwZSBvZiByYXcsIGNsZWFybHkgc2lnbmFsbGluZyB0byB1c2Vy c3BhY2UgCj4+ID4gdGhhdCBpdCBpcyBhIHJhdyAidW50cmFuc2xhdGVkIiBpbnRlcmZhY2UsIGFz IHN1Y2ggYW55IGZhbmNpbmVzcyBzdWNoIGFzIAo+PiA+IGNyZWF0aW5nIGEgbG9nYXJpdGhtaWMg c2NhbGUgc2hvdWxkIGJlIGRvbmUgaW4gdXNlcnNwYWNlIElNSE8uCj4+IAo+PiBJIHdhcyBnb2lu ZyB0byByZXNwb25kIHRoYXQgdGhlIGtlcm5lbCBkb2VzIGl0cyBvd24gYnJpZ2h0bmVzcyBzdGVw cGluZyAKPj4gd2hlbiB1c2Vyc3BhY2UgaXNu4oCZdCBwYXlpbmcgYXR0ZW50aW9uLiAgQnV0IGFw cGFyZW50bHkgb25seSBhY3BpX3ZpZGVvIAo+PiBkb2VzIHRoYXQsIGFuZCBpbnRlbF9iYWNrbGln aHQgZG9lcyBub3Q7IG15IGJyaWdodG5lc3Mga2V5cyBub3cgaGF2ZSBubyAKPj4gZWZmZWN0IG91 dHNpZGUgb2YgdGhlIFggc2VydmVyLiAgSXMgdGhhdCB0aGUgZXhwZWN0ZWQgYmVoYXZpb3I/Cj4K PiBVc2Vyc3BhY2Ugb24gbGludXggaXMgc3VwcG9zZWQgdG8gY2F0Y2ggYnJpZ2h0bmVzcyBrZXlz IGFuZCB1cGRhdGUgdGhlCj4gYmFja2xpZ2h0LiBTb21lIGFjcGkgZHJpdmVycyBkbyBmdW5ueSBz dHVmZiBiZWhpbmQgZXZlcnlvbmUncyBiYWNrLCBidXQKPiBnZW5lcmFsbHkgdGhhdCdzIHRoZSBl eHBlY3RlZCBiZWhhdmlvci4gWW91J2QgbmVlZCBhIGRlYW1vbiBmb3IgdGhlCj4gYmFja2xpZ2h0 IHRvIHdvcmsgb24gdGhlIGNvbnNvbGUuCj4KPj4gSW4gYW55IGNhc2UsIGlmIHlvdSB0aGluayBw dW50aW5nIHBhcnQgb2YgdGhlIHByb2JsZW0gdG8gdXNlcnNwYWNlIGlzIHRoZSAKPj4gcmlnaHQg YW5zd2VyLCB0aGVuIHRvIGZsZXNoIG91dCB0aGUgZGV0YWlsczogZG8geW91IHRoaW5rIGl04oCZ cyByaWdodCBmb3IgCj4+IHVzZXJzcGFjZSB0byBhc3N1bWUgdGhhdCBhbnkgYmFja2xpZ2h0IHdp dGggdHlwZSDigJhyYXfigJkgaXMgYSBsaW5lYXIgc2NhbGUgCj4+IHRoYXQgbmVlZHMgdG8gYmUg Y29udmVydGVkLCBhbmQgb25lIHdpdGggdHlwZSDigJhmaXJtd2FyZeKAmSBvciDigJhwbGF0Zm9y beKAmSBoYXMgCj4+IGFscmVhZHkgYmVlbiBjb252ZXJ0ZWQgYXBwcm9wcmlhdGVseT8KPgo+IEkg ZG9uJ3QgdGhpbmsgeW91IGNhbiBnZW5lcmFsbHkgYXNzdW1lIGFueXRoaW5nIC0gd2hhdCB3ZSBk byBpcyBzZW5kIHRoZQo+IHB3bSBzaWduYWwsIGhvdyBsaW5lYXJseSB0aGF0IHRyYW5zbGF0ZXMg aW50byBicmlnaHRuZXNzIGlzIHRvdGFsbHkgcGFuZWwKPiBhbmQgZHJpdmVyIGRlcGVuZGVudC4g U28gbm8gbWF0dGVyIHdoYXQgeW91IHBpY2sgc29tZW9uZSB3aWxsIGNvbXBsYWluIEkKPiB0aGlu ay4KCkJlY2F1c2UgdGhlIG1hcHBpbmcgZnJvbSBQV00gZHV0eSBjeWNsZSB0byBsdW1pbmFuY2Ug aXMgcGFuZWwgZGVwZW5kZW50LAp0aGUgQUNQSSBvcHJlZ2lvbiBjb250YWlucyBzdWNoIG1hcHBp bmcuIExpa2VseSB0aGUgQUNQSSBiYWNrbGlnaHQgdXNlcwpqdXN0IHRoYXQuIFdlIChpOTE1KSBj dXJyZW50bHkgZG9uJ3QuIEkgZG9uJ3QgdGhpbmsgdGhlIHVzZXJzcGFjZSBoYXMgYQpzZW5zaWJs ZSBpbnRlcmZhY2UgdG8gdGhhdCBpbmZvcm1hdGlvbi4gSSdtIG5vdCBzdXJlIGl0IHNob3VsZCBl aXRoZXIuCgpJIGhhdmVuJ3QgbWFkZSB1cCBteSBtaW5kIG9uIHRoaXMsIGJ1dCBJIG1pZ2h0IGdv IGZvciBkb2luZyB0aGUgbWFwcGluZwppbiBpOTE1LiBBZGRpdGlvbmFsbHkgSSB0aGluayB3ZSBz aG91bGQgcHJvYmFibHkgdXNlIGEgZml4ZWQgcmFuZ2Ugb2YsCnNheSwgMC0xMDAgdGhhdCBnZXRz IGV4cG9zZWQgdG8gdGhlIHVzZXJzcGFjZTsgdGhlcmUncyBubyBwb2ludCBpbgpleHBvc2luZyBl LmcuIDEwMDAwMCBsZXZlbHMgd2hlbiB0aGUgaGFyZHdhcmUgY2FuIG5vdCBwaHlzaWNhbGx5IHBy b2R1Y2UKbm9yIGNhbiB0aGUgdXNlciBkaXN0aW5ndWlzaCB0aGF0IG1hbnkgZGlzdGluY3QgbGV2 ZWxzLgoKSSdkIGdvIGZvciBtYWtpbmcgdGhpcyBhcyBzaW1wbGUgYXMgcG9zc2libGUgdG8gdXNl IGFuZCBpbXBsZW1lbnQKcmlnaHQuIEFueXRoaW5nIGZhbmN5IGlzIGdvaW5nIHRvIGJsb3cgdXAg aW4gZmFudGFzdGljIHdheXMuCgpCUiwKSmFuaS4KCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9w ZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4Cg==