From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carlos Alberto Lopez Perez Subject: Re: asus-wmi.ko should be loaded before video.ko Date: Wed, 08 Aug 2012 22:17:33 +0200 Message-ID: <5022C95D.6090200@igalia.com> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enig6880CFC226F90F22DFA0B6A2" Return-path: Received: from smtp3.mundo-r.com ([212.51.32.191]:18094 "EHLO smtp4.mundo-r.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753822Ab2HHURm (ORCPT ); Wed, 8 Aug 2012 16:17:42 -0400 In-Reply-To: Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: Corentin Chary Cc: AceLan Kao , platform-driver-x86@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig6880CFC226F90F22DFA0B6A2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 08/08/12 11:34, Corentin Chary wrote: >> The problem is that the /sys/class/backlight/acpi_video0 directory sti= ll exists >> > and the gnome-settings-daemon will choose acpi_video0 for the >> > brightness functions > Are you sure acpi_video_unregister() was called in this case ? can you > add some traces to video.c to see what happened and why > backlight_device_unregister() wasn't called ? >=20 >> > But, if asus-wmi is loaded before video, then video won't call >> > backlight_device_register(), >> > since the flag is already be set. > Honestly, I don't know if there is a way to do that, and asus-wmi > should be loadable and working at any time, not only on boot. What about writing an udev rule to force using acpi_video0 for asus-wmi? Use udevadm to get the attributes for building the rule udevadm info --attribute-walk --path=3D/sys/class/backlight/acpi_video0 --------------enig6880CFC226F90F22DFA0B6A2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBCgAGBQJQIsldAAoJEJZQic5rlfiCduYQAKtYoeYxXrYIVHoAiwAVVGjj W0ruBzOmht4c+mIm4oOZLNhKhSQUNHKQmprPm+Hbkz/Q+4sK3kFpgWxC6mIj1oIH 4HPf8K/dHdQVYyEQsYdxfi3hk8p+bgl7+XNEBjK5fktZhjCHy+WZn0+ZEIJ/uKG2 0mjOyZSP93ZfcMQqvV8DtaGem8n2GqIcR49VBhlReXa+2ZRuM+OIq6wczDnAXn8o pQkh0ypq07T/vq409kKk2tzCrSDNKvxYHX0yas6YJB0C2Tji/prYZVUa9rOp+L4z FEcdhJqrEd8fFGlUu0VubvqcICik5KYy6yLvCNXEHgFCyRwBs5fOltxSA1IvX7gM vKcnKqpwdyvavNMXo4Z1XexlYDAWD4U5gnvUJx3zMDlensTZUlP9xhBK6gQqIGp+ sTNTyFT9oQjkExMDDXPNSaeQvCTBZgFLz66BAA0L2r99Ge3PyQBGDhvOGI2AEJrr z7hniJwDWbkMQsVPn5ScV6CBUnct6Q0Y88sh2o4Zrm9+6L1E2qqNxmB+3X3coGM9 IZopcHcD2NjOpmWaetLblwO1McnR04OO0F2WPysP3ANzMSTVNZIkeTjbyWDTgPcE ohICQPCpNPXTBLc93usXGaN2R6k8hkMrNNn7GqUY/t/a3DV4izlwJf3b5OhtynLr QudELAAaxGmdn8XbHzgj =aqlq -----END PGP SIGNATURE----- --------------enig6880CFC226F90F22DFA0B6A2--