From owner-freebsd-amd64@FreeBSD.ORG Wed May 7 00:00:01 2014 Return-Path: Delivered-To: freebsd-amd64@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5D9DB643 for ; Wed, 7 May 2014 00:00:01 +0000 (UTC) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4B17C3C6 for ; Wed, 7 May 2014 00:00:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.8/8.14.8) with ESMTP id s47001Ip090100 for ; Wed, 7 May 2014 00:00:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.8/8.14.8/Submit) id s47000hV090099; Wed, 7 May 2014 00:00:00 GMT (envelope-from gnats) Date: Wed, 7 May 2014 00:00:00 GMT Message-Id: <201405070000.s47000hV090099@freefall.freebsd.org> To: freebsd-amd64@FreeBSD.org Cc: From: Miguel Clara Subject: Re: amd64/181357: LCD Brightness Control not working on Lenovo X121e (ACPI issue?) Reply-To: Miguel Clara X-Mailman-Approved-At: Wed, 07 May 2014 01:34:19 +0000 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 May 2014 00:00:01 -0000 The following reply was made to PR amd64/181357; it has been noted by GNATS. From: Miguel Clara To: bug-followup@freebsd.org, matthias@petermann-it.de Cc: Subject: Re: amd64/181357: LCD Brightness Control not working on Lenovo X121e (ACPI issue?) Date: Wed, 7 May 2014 00:57:33 +0100 --047d7bae487e1f0c3d04f8c4041c Content-Type: text/plain; charset=UTF-8 I get the same issue with an acer laptop! xbacklight gives me: No outputs have backlight property I had no luck with acpi_call though (and I've tried loading several acpi_ modules with no luck) only workaround I have is: xrandr --output LVDS1 --brightness 0.9 --047d7bae487e1f0c3d04f8c4041c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I get the same issue with an acer laptop!

xbac= klight gives me:

No outputs have backlight property
=

I had no luck with acpi_call though (and I've tried= loading several acpi_ modules with no luck)

only workaround I have is:

xra= ndr --output LVDS1 --brightness 0.9

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