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Thu, 8 Jun 2023 04:12:16 -0400 (EDT) (envelope-from unobe@cpan.org) Received: from pb-smtp1.pobox.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id ED78519DE81 for <9fans@9fans.net>; Thu, 8 Jun 2023 04:12:15 -0400 (EDT) (envelope-from unobe@cpan.org) Received: from pb-smtp1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id E6B4B19DE80 for <9fans@9fans.net>; Thu, 8 Jun 2023 04:12:15 -0400 (EDT) (envelope-from unobe@cpan.org) Received: from strider.localdomain (unknown [75.204.169.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pb-smtp1.pobox.com (Postfix) with ESMTPSA id F1A5419DE7D for <9fans@9fans.net>; Thu, 8 Jun 2023 04:12:14 -0400 (EDT) (envelope-from unobe@cpan.org) Message-ID: <5B0A37649F622B1A5E04ADACB00E1443@smtp.pobox.com> To: 9fans@9fans.net Subject: Re: [9fans] Adjust Thinkpad Screen Brightness Date: Thu, 08 Jun 2023 01:12:12 -0700 From: unobe@cpan.org In-Reply-To: <44712314AE4A971305D87A17793C7FF3@smtp.pobox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Pobox-Relay-ID: 2D97A59E-05D4-11EE-A56F-C65BE52EC81B-09620299!pb-smtp1.pobox.com Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 312a931a-05d4-11ee-b3bb-82cbfd8b7b06 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UNGM0MjQ3ZWMxYzA0MjlmNi1NMmVlNDFkNTE1OTY5ZjM1Y2EwNjIy?= =?UTF-8?B?M2Y4Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M2ee41d515969f35ca06223f8:1:wa8_J_T37RIwDMDfTa3S34bq4_fRdP2BoJlfshTv2_4 Note the patch is for both the Ivy Bridge listed devices, but mine specifically is 8086/0166. I'm curious if there's someone with 0152. Quoth unobe@cpan.org: > Quoth Anthony Martin : > > unobe@cpan.org once said: > > > I reviewed the data sheet and the scripts should > > > work, but does not. > >=20 > > The above scripts can work for some Intel cards > > but probably not for all of them. >=20 > Thank you, Anthony. That script helped me review the volumes again > and find out where the 'br' script is wrong. It was just reading from > the wrong register for Ivy Bridge. Here's the patch for qwx/rc's > branch, and it works like a charm now on my x230t. >=20 > From: Romano > Date: Thu, 08 Jun 2023 07:49:37 +0000 > Subject: [PATCH] Ivy Bridge uses South Display for reading brightness lev= els, per Vol. 3 Part 3 and 4 of Programmer's Reference >=20 > --- > diff a9e9e008d4574c55fd9452de2cfc2cf9d964e7e5 d52fd7d1b16ce1e4f06607bfcec= 6859285077536 > --- a/bin/br > +++ b/bin/br > @@ -29,8 +29,8 @@ > # works on x220, not on w520 > did["8086/0126","r"] =3D "0xc8254"; did["8086/0126","w"] =3D "0x= 48254" > # ivy bridge > - did["8086/0152","r"] =3D "0x48254"; did["8086/0152","w"] =3D "0x= 48254" > - did["8086/0166","r"] =3D "0x48254"; did["8086/0166","w"] =3D "0x= 48254" > + did["8086/0152","r"] =3D "0xc8254"; did["8086/0152","w"] =3D "0x= 48254" > + did["8086/0166","r"] =3D "0xc8254"; did["8086/0166","w"] =3D "0x= 48254" > # haswell > did["8086/0412","r"] =3D "0xc8254"; did["8086/0412","w"] =3D "0x48254" > did["8086/041a","r"] =3D "0xc8254"; did["8086/041a","w"] =3D "0x48254" >=20 ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T4c4247ec1c0429f6-M2ee41= d515969f35ca06223f8 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription