From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754553AbZGBQZe (ORCPT ); Thu, 2 Jul 2009 12:25:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752217AbZGBQZ1 (ORCPT ); Thu, 2 Jul 2009 12:25:27 -0400 Received: from cantor2.suse.de ([195.135.220.15]:38018 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752143AbZGBQZ0 (ORCPT ); Thu, 2 Jul 2009 12:25:26 -0400 Date: Thu, 02 Jul 2009 18:25:29 +0200 Message-ID: From: Takashi Iwai To: Tony Hoyle Cc: linux-kernel@vger.kernel.org Subject: Re: snd_hda_intel on linux 2.6.30 In-Reply-To: <4A3FE035.2010804@nodomain.org> References: <4A3FE035.2010804@nodomain.org> User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/22.3 (x86_64-suse-linux-gnu) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Mon, 22 Jun 2009 20:49:09 +0100, Tony Hoyle wrote: > > Hi, > > I've been trying to get sound working on a Poulsbo board using 2.6.30. > Previously, with the available patches sound worked OK. What kind of patches are they? > 2.6.30 has most of the patches already in, and the the Intel HDA is > indeed recognized, but no sound appears. Boot logs show: > > [ 30.948427] HDA Intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 30.958108] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 16 (level, low) > -> IRQ 16 > [ 30.968030] HDA Intel 0000:00:1b.0: setting latency timer to 64 > [ 31.192916] input: HDA Intel MID Line In at Ext Rear Jack as > /class/input/input3 > [ 31.204980] input: HDA Intel MID Mic at Ext Front Jack as > /class/input/input4 > [ 31.218872] input: HDA Intel MID Line Out at Ext Rear Jack as > /class/input/input5 > [ 31.234356] input: HDA Intel MID HP Out at Ext Front Jack as > /class/input/input6 These are all OK. The lines with "input" are for jack input layer. > followed later by > > [ 50.875374] hda-intel: Invalid position buffer, using LPIB read > method instead. > [ 50.875416] hda-intel: IRQ timing workaround is activated for card > #0. Suggest a bigger bdl_pos_adj. These are usually harmless. > I tried backporting (forward porting?) the missing fixups from the older > patch, but apart from adding the message: > > [ 30.968039] Do fixup for Poulsbo <6>D0 or newer stepping > > I still didn't work (of course the possibility I stuffed up my patching > looms large there, and I'd rather work with virgin source if it's possible). > > What's the best way to go about debugging this? Is there an official > (or unofficial) patch for Poulsbo on 2.6.30 knocking around somewhere? Run alsa-info.sh with --no-upload option on working (old) and non-working (2.6.30) kernels, and compare the generated files. Takashi