From owner-freebsd-questions@FreeBSD.ORG Tue Feb 4 14:31:41 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D2C2FEDA for ; Tue, 4 Feb 2014 14:31:41 +0000 (UTC) Received: from nm35-vm3.bullet.mail.bf1.yahoo.com (nm35-vm3.bullet.mail.bf1.yahoo.com [72.30.238.75]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 61F2413A6 for ; Tue, 4 Feb 2014 14:31:41 +0000 (UTC) Received: from [98.139.212.153] by nm35.bullet.mail.bf1.yahoo.com with NNFMP; 04 Feb 2014 14:31:33 -0000 Received: from [98.139.212.199] by tm10.bullet.mail.bf1.yahoo.com with NNFMP; 04 Feb 2014 14:31:33 -0000 Received: from [127.0.0.1] by omp1008.mail.bf1.yahoo.com with NNFMP; 04 Feb 2014 14:31:33 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 141581.12679.bm@omp1008.mail.bf1.yahoo.com Received: (qmail 67194 invoked by uid 60001); 4 Feb 2014 14:31:33 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1391524292; bh=TxTWIBZiej9fGgVWfKHsgwrKgFhATSAKa7S133cVd0Y=; h=X-YMail-OSG:Received:X-Rocket-MIMEInfo:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=A2ZEGlc1wRqhkypWChTyUSHxJPHKHEGkbiEuIAYdwR/uURldM8wZ0Mg+GXi16NdvFy+H7yO+mRM4EhQFaOgaaBcFx1bUpHIAbHAolqDR9nTHk7IWM+pvTsUQpm4HqVKYkAYU715scdgNL3YiVOHAg61M/IiTSgvzMOA/V0l9smY= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Rocket-MIMEInfo:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=Sr5DOUgKsngsdevw1uZL7UGGjD9mOAergicO25+kxmVzltaSygakYnq95rZo9L7OWkVV2nSfazh9308JnKJ74n2fhInsbmRaEnkbZUB9vlPAH1A+P6FgD5M5ax4u3bQMZcaZMRF1Pplox3JG1VDcneeKU4abmgLy7J8PuYQd3/w=; X-YMail-OSG: ZUp1cdkVM1nt7xO4DV7nJmpWgm0DPB1drnoTJjt.xkFV_Ud VrktIzcTWDgMLHOJL7sz_4ABH4Dny.eYN.7upy9LjvdhrGAMDayjYVJR09yc IZmAxRYldcyrNVso..UcpdGKpWSBVYJgIvNOtTAdfN1BdkqAYr9o2mD34Tyy zSsngjO9YGTTDo1MxvH1IjvdXKc4inOghqRVdH6s852tSh4VQQEq31gZVCWE XTSU5ECg.bQe2ri6tCodLvFrYH5i17p9I8sasty3FepcC4mayP2.qlqSpzD6 kNJ3RrTBdtmQbPjIxguutdDVtgD3NeFYWJ5Jlj2VfRrRx24GAE9XjKuUkzB9 i2Fue0Xe3qyjMspX5TOILFeVjhc0VyXOpog4NDl99LMZbqnW6K1AOtQBWV3q hI9joSwj72BX2KUIleMN.n7_h3k2wCVAjP4wAgH0AyM54DLaFXmDMyzLMZeM xgfumxPi4a3WGH77Li7b4KTRtJi2YWo5dc4MAEF8SBVz2IXQeWRzpJqeseoG MVsoKFTRM2UuNtx1xRu7n8unfr34DnnmQDiZnVlMjag5iMn1IFuepzuHsL65 GOSRObe3lh2s- Received: from [124.43.75.253] by web161901.mail.bf1.yahoo.com via HTTP; Tue, 04 Feb 2014 06:31:32 PST X-Rocket-MIMEInfo: 002.001, Pl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCgo.IEZyb206ICJpbGxvYWlAZ21haWwuY29tIiA8aWxsb2FpQGdtYWlsLmNvbT4KPlRvOiBVbmdhIDx1bmdhODg4QHlhaG9vLmNvbT4gCj5DYzogImZyZWVic2QtcXVlc3Rpb25zQGZyZWVic2Qub3JnIiA8ZnJlZWJzZC1xdWVzdGlvbnNAZnJlZWJzZC5vcmc.IAo.U2VudDogVHVlc2RheSwgRmVicnVhcnkgNCwgMjAxNCAxMjoxNiBQTQo.U3ViamVjdDogUmU6IEhvdyB0byBkaXNhYmxlIGxvdyBkaXNwbGF5IGJyaWdodG5lc3Mgd2hlbiBwb3dlciBmYWkBMAEBAQE- X-Mailer: YahooMailWebService/0.8.174.629 References: <1391507713.72310.YahooMailNeo@web161906.mail.bf1.yahoo.com> Message-ID: <1391524292.69389.YahooMailNeo@web161901.mail.bf1.yahoo.com> Date: Tue, 4 Feb 2014 06:31:32 -0800 (PST) From: Unga Subject: Re: How to disable low display brightness when power fail? To: "illoai@gmail.com" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "freebsd-questions@freebsd.org" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list Reply-To: Unga List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Feb 2014 14:31:42 -0000 >________________________________ > From: "illoai@gmail.com" >To: Unga >Cc: "freebsd-questions@freebsd.org" >Sent: Tuesday, February 4, 2014 12:16 PM >Subject: Re: How to disable low display brightness when power fail? > > >On 4 February 2014 04:55, Unga wrote: >> Hi all >> >> I have a laptop running FreeBSD 9.2 and KDE4. >> >> >> When main A/C power fails, this laptop immediately reduces the display brightness. When power restores, it also immediately restore the full brightness. >> >> Because of this I cannot show a presentation without power. >> >> Therefore, how to disable becoming low bright when no main A/C power? >> >> I prefer a xorg.conf entry. > >Have a look at acpi_video(4). > >http://www.freebsd.org/cgi/man.cgi?query=acpi_video&sektion=4 > Hi There are no hw.acpi.video.X variables in this laptop: sysctl -a | grep hw.acpi.video This laptop uses Intel open source driver. Regards Unga