From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: Pops, Clicks on Capture w/ S/PDIF, Cirrus Logic CS4207, HDA Date: Fri, 13 Aug 2010 09:06:57 +0200 Message-ID: <4C64EF11.8000407@ladisch.de> References: <69FA8BA3444DD443841AF768F2F6C65A12490213C9@SERVER2.righthandtech.local> <4C639AAB.5050606@ladisch.de> <69FA8BA3444DD443841AF768F2F6C65A1249021427@SERVER2.righthandtech.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by alsa0.perex.cz (Postfix) with ESMTP id D4EDC103805 for ; Fri, 13 Aug 2010 09:06:35 +0200 (CEST) In-Reply-To: <69FA8BA3444DD443841AF768F2F6C65A1249021427@SERVER2.righthandtech.local> 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: Dave Zielinski Cc: "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org Dave Zielinski wrote: > Yes prior location is exactly 1 buffer_size! - which is this case was > 16384. But what does that mean? It means that the controller did not actually write to that part of the buffer before it updated the buffer pointer. This appears to be a HDA controller bug which must be worked around in the controller driver. Regards, Clemens