From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugtrack@alsa-project.org Subject: [ALSA - driver 0001724]: au88x0 PCM configuration problem - buffer_size constraint Date: Sun, 5 Feb 2006 16:48:13 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from bugtrack.alsa-project.org (gate.perex.cz [85.132.177.35]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with ESMTP id 73B921C1 for ; Sun, 5 Feb 2006 16:48:13 +0100 (MET) Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org A NOTE has been added to this issue. ====================================================================== ====================================================================== Reported By: Raymond Assigned To: mjander ====================================================================== Project: ALSA - driver Issue ID: 1724 Category: PCI - au88x0 Reproducibility: always Severity: block Priority: normal Status: assigned Distribution: Kernel Version: ====================================================================== Date Submitted: 01-07-2006 05:10 CET Last Modified: 02-05-2006 16:48 CET ====================================================================== Summary: au88x0 PCM configuration problem - buffer_size constraint Description: /cvs/alsa-lib/test/pcm_min ALSA lib pcm.c:7127:(snd_pcm_set_params) Unable to set buffer time (latency) 500000 for PLAYBACK: Invalid argument Playback open error: Invalid argument sound card is au8830, the au88x0 driver only accept period size in power of 2. ====================================================================== Relationships ID Summary ---------------------------------------------------------------------- related to 0001766 jackd : ALSA: cannot set period size to... ====================================================================== ---------------------------------------------------------------------- Raymond - 02-05-06 16:39 ---------------------------------------------------------------------- Index: alsa-driver/alsa-kernel/pci/au88x0/au88x0_pcm.c =================================================================== RCS file: /cvsroot/alsa/alsa-kernel/pci/au88x0/au88x0_pcm.c,v retrieving revision 1.11 diff -u -r1.11 au88x0_pcm.c --- alsa-driver/alsa-kernel/pci/au88x0/au88x0_pcm.c 17 Nov 2005 14:55:19 -0000 1.11 +++ alsa-driver/alsa-kernel/pci/au88x0/au88x0_pcm.c 5 Feb 2006 15:37:33 -0000 @@ -134,6 +136,11 @@ SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0) return err; + if ((err = + snd_pcm_hw_constraint_pow2(runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE)) < 0) + return err; + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { #ifndef CHIP_AU8820 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) { ---------------------------------------------------------------------- Raymond - 02-05-06 16:48 ---------------------------------------------------------------------- Would anyone explain why period_time = latency / 4; in snd_pcm_set_params() Issue History Date Modified Username Field Change ====================================================================== 01-07-06 05:10 Raymond New Issue 01-09-06 15:19 Raymond Note Added: 0007537 01-19-06 15:04 Raymond Note Deleted: 0007537 01-19-06 15:36 Raymond Note Added: 0007721 01-28-06 07:58 Raymond Note Added: 0007828 01-28-06 07:58 Raymond Note Deleted: 0007721 01-30-06 18:46 Raymond Note Added: 0007840 01-31-06 03:15 Raymond Note Added: 0007844 01-31-06 06:41 Raymond Note Edited: 0007840 01-31-06 07:03 Raymond Note Edited: 0007840 01-31-06 07:08 Raymond Note Edited: 0007840 01-31-06 07:11 Raymond Note Edited: 0007840 01-31-06 08:31 Raymond Note Edited: 0007840 01-31-06 09:48 Raymond Note Edited: 0007844 01-31-06 10:19 perex Note Added: 0007845 01-31-06 10:26 perex Note Added: 0007847 01-31-06 10:26 perex Note Edited: 0007847 01-31-06 10:48 perex Project ALSA - lib => ALSA - driver 01-31-06 10:49 perex Category 0_general => PCI - au88x0 01-31-06 10:49 perex Summary simple PCM helper function => au88x0 PCM configuration problem - buffer_size constraint 01-31-06 11:06 Raymond Note Added: 0007848 01-31-06 13:48 perex Status new => assigned 01-31-06 13:48 perex Assigned To => mjander 01-31-06 13:49 perex Relationship added related to 0001766 01-31-06 15:59 Raymond Note Added: 0007852 02-01-06 07:35 perex Note Added: 0007857 02-01-06 10:32 Raymond Note Added: 0007858 02-01-06 10:37 Raymond Note Edited: 0007848 02-01-06 17:15 Raymond Note Edited: 0007844 02-01-06 17:20 Raymond Note Added: 0007860 02-02-06 10:23 Raymond Note Added: 0007874 02-02-06 11:10 Raymond Note Edited: 0007874 02-02-06 15:48 Raymond Note Edited: 0007874 02-03-06 14:26 Raymond Note Added: 0007897 02-04-06 02:46 Raymond Note Edited: 0007874 02-04-06 02:52 Raymond Note Edited: 0007858 02-04-06 02:56 Raymond Note Edited: 0007858 02-05-06 16:39 Raymond Note Added: 0007939 02-05-06 16:48 Raymond Note Added: 0007940 ====================================================================== ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. 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