From owner-freebsd-mobile@FreeBSD.ORG Mon Jan 12 16:57:02 2015 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3C60F4D0 for ; Mon, 12 Jan 2015 16:57:02 +0000 (UTC) Received: from mail-yh0-f49.google.com (mail-yh0-f49.google.com [209.85.213.49]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E64518B6 for ; Mon, 12 Jan 2015 16:57:01 +0000 (UTC) Received: by mail-yh0-f49.google.com with SMTP id f10so10110515yha.8 for ; Mon, 12 Jan 2015 08:56:55 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:subject:mime-version:content-type:from :in-reply-to:date:cc:message-id:references:to; bh=DOC7Ik37Onp5gRTvjR4RvB1Hnadqi9cJYS6oj9ZZ/co=; b=V04CgoVmLr1uO/JbqIgcQEie7X8S718yMhZSvJpz+UD5H0n8Ea44zYA3Hu4qrvUoEU FSV+80zTkpiRfJhZqYpZ56eW+bUE7VkixWIaEuMGsWHSkVmGPA3gg+3fVOWgA5gV0BgZ xMPOIaxAkPvTGBEG5j/Ezq7HjN7ZzPd58OBEzGh+KyXYmSmMn1Jt/ZJrdqvSnyTW6Tpt aeZmb13dDi3SnWEepHXz43v0hL/qnOxKfAHhfP1he+GdN3/cUGLA9qug6vQc9OEv8jMa c6orP4ixN9iVywHiT1HCmJiA3R+sHVdVRoA6lezPDakOm6ymY14xjo/3shmP9xa2Dxe+ v0jA== X-Gm-Message-State: ALoCoQnHKXTJeC6dmBoZEgFwGwHrH3owNrpQ8O6bpaFV6ZhDNvDniWnsQJz9q6lZUmPfWqdaJF4r X-Received: by 10.236.43.225 with SMTP id l61mr23092812yhb.15.1421081815727; Mon, 12 Jan 2015 08:56:55 -0800 (PST) Received: from [10.64.26.9] ([69.53.236.236]) by mx.google.com with ESMTPSA id z23sm10871332yhz.35.2015.01.12.08.56.54 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 12 Jan 2015 08:56:55 -0800 (PST) Sender: Warner Losh Subject: Re: power off ath0: Mime-Version: 1.0 (Mac OS X Mail 8.1 \(1993\)) Content-Type: multipart/signed; boundary="Apple-Mail=_D70D10B8-F0B3-4CE8-83FD-54C8FD21C992"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Pgp-Agent: GPGMail 2.5b3 From: Warner Losh In-Reply-To: <54B3FC5F.3070306@FreeBSD.org> Date: Mon, 12 Jan 2015 09:56:52 -0700 Message-Id: <87A73FD4-485B-4F38-B9D2-3F804BED4905@bsdimp.com> References: <20150111080530.GA2035@c720-r276659> <54B3FC5F.3070306@FreeBSD.org> To: John Baldwin X-Mailer: Apple Mail (2.1993) Cc: Matthias Apitz , freebsd-mobile@freebsd.org X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jan 2015 16:57:02 -0000 --Apple-Mail=_D70D10B8-F0B3-4CE8-83FD-54C8FD21C992 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Jan 12, 2015, at 9:54 AM, John Baldwin wrote: >=20 > On 1/11/15 3:05 AM, Matthias Apitz wrote: >>=20 >> Hello, >>=20 >> Is there a way to completely power-off the Wifi chip in my Acer C720? >> I tried 'ifconfig ath0 down' which saves around 20 mA. But the LED = stays >> on, which let me think it is still someow on-air. >=20 > Not yet. You could try setting the tunable to disable power for PCI > devices without a driver and not include 'ath' in your kernel config. = I > will (soon) commit a new 'devctl' tool to HEAD that would let you do > 'devctl suspend ath0' to do this. I=E2=80=99d love to see this tied into the forthcoming work on PCIe hot = plug as well, which is one way to power off the slot. But that work seems to be = stalled=E2=80=A6 Warner --Apple-Mail=_D70D10B8-F0B3-4CE8-83FD-54C8FD21C992 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJUs/zUAAoJEGwc0Sh9sBEAKqUQAJAESrQ+e9wFYFqXYNfBT+DF eYBYTwV6C3d4SY6tr8iTVQA9hzUvSrbeI61Xsq8FHRBJRIftVsEj3gN59B2GLCmp ylQdPyf0GunP2p+gwKdi2F1P83ir/O0epKNVvmlAJIxLVb5d5RucVVtF0l79Pt0e SLfmFRXXBS+gFzRSZYE94XnFtbsij4/DTjWhem0QDsRchlRz8SkigtnpiBSul0uJ cl8dZAPbiFEVNPBBGBUl9dRdCl8Zr5Ji36nmOhoNpQ7aaiWL3x7db8N+F/81KDiC E/2zr+NCUsMhiVdSQzKohmm5OecyUenEoQgm2vxwU+d11kbOea5QGpQfQpNh1oEb 3XWgABbDctQhPgBQ5ZvjQraLzx9X8S/+oxfib1dcAZpbRcWm1iFRTuAR4LLs4KoU qTtqtwhBcRhQGOkk/niX1aCtBChL3odCpBx4ZH+33ACQt5nxlT99FCa/AYOkMnbW mIoyUzWod22gQsm7NYefXV89YjvM1jKpGGx9TbY78I1dTomTaKwfVlsGt2gTavf0 SZtSg05zxWUuVytkgELnPGVekn1C47tD2y8qc5xV4+og8LKLbXBeK9GrPZj80G0t mglwoNI+r+OW4IOT4oiPO4aHSg+l7eAXpwS4OUZVMMsPfqO67ADOEMIgrChr+WAC NPDbn+QMABaHjZscdNop =XQVr -----END PGP SIGNATURE----- --Apple-Mail=_D70D10B8-F0B3-4CE8-83FD-54C8FD21C992--