From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH] Enable loudspeakers in ALC889 for Acers and others Date: Thu, 02 Jul 2009 11:40:26 +0200 Message-ID: References: <32768.87.217.178.68.1246471476.squirrel@goliat7.ugr.es> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 9B08B246BF for ; Thu, 2 Jul 2009 11:40:26 +0200 (CEST) In-Reply-To: <32768.87.217.178.68.1246471476.squirrel@goliat7.ugr.es> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: ruben@ugr.es Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org At Wed, 1 Jul 2009 20:04:36 +0200 (CEST), ruben@ugr.es wrote: > > Hi all > > I managed to get sound working on my acer 6935, which has an ALC889 driven > by the intel_hda driver > The lack of sound seems to appear in other laptops as well. > > The bug report is at > https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4261 > > I know Takashi Iwai is familiar with the problems, since I used his > workaround with hda-verb to get it working initially, so if he is free and > wants to get this fixed, I'd be grateful (if anybody else can have a look, > that'd be great as well). > > The patch is very easy (you can download it at the url above). > I added > snd_hda_codec_write(codec, 0x15, 0, AC_VERB_SET_EAPD_BTLENABLE, 2); > at the end of patch_alc883 before the return. > > Please check whether there is a problem with other models; in that case a > new patch_alc889 which calls patch_alc883 plus the line can be added, or > more detailed checks on the pci ids can be done. Does this happen even with the latest alsa-driver snapshot? ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz Takashi