From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [Fwd: HP DV4 1155 SE - No Sound through speakers...] Date: Sat, 31 Jan 2009 10:20:24 +0100 Message-ID: References: <4983FE7A.1040201@wanadoo.fr> <49840333.2080303@wanadoo.fr> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mx1.suse.de (ns.suse.de [195.135.220.2]) by alsa0.perex.cz (Postfix) with ESMTP id CF7A924334 for ; Sat, 31 Jan 2009 10:20:24 +0100 (CET) In-Reply-To: <49840333.2080303@wanadoo.fr> 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: Jean-Pierre =?ISO-8859-1?Q?Andr=E9?= Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org At Sat, 31 Jan 2009 08:52:19 +0100, Jean-Pierre Andr=E9 wrote: > = > = > Hi, > = > > Hi all, I have an HP DV4 1155-SE, I've been unable to get sound working > > through the speakers, although it does work through the headhpones. I r= an > > alsa-.upgrade which downloaded compiled, and installed 1.0.19 - still no > > luck. > > = > = > I have the same IDT codec 92HD71B7X on another > HP DV4 model, and I have tracked the problem to be > the kernel configuring IRQ 22 through the APIC, but > interrupts triggerring IRQ 20 (on kernel 2.6.27 and > alsa 1.0.19). It would be interesting if you could > confirm this by analyzing /proc/interrupts. > = > The workarounds I know of are : > - adding irqpoll to the boot options, > - or adding noapic to the boot options, > - using mplayer to play music. > = > There are with option "snd-hda-intel model=3Dhp-m4" > (this option is for HP DV5/DV7, but HP DV4 > is probably different) For the latest driver, it might be better to use model=3Dhp-dv5. It's totally irrelevant with the IRQ issue, though. Takashi