From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Stezenbach Subject: Re: [PATCH 3/3] ASoC: sta32x: add workaround for ESD reset issue Date: Tue, 15 Nov 2011 12:50:13 +0100 Message-ID: <20111115115013.GA23409@sig21.net> References: <1321287798-20462-1-git-send-email-js@sig21.net> <1321287798-20462-4-git-send-email-js@sig21.net> <20111114213716.GG6528@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from bar.sig21.net (bar.sig21.net [80.81.252.164]) by alsa0.perex.cz (Postfix) with ESMTP id 70CF1243F9 for ; Tue, 15 Nov 2011 12:51:08 +0100 (CET) Content-Disposition: inline In-Reply-To: <20111114213716.GG6528@opensource.wolfsonmicro.com> 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: Mark Brown Cc: alsa-devel@alsa-project.org, Sven Neumann , Liam Girdwood , Daniel Mack List-Id: alsa-devel@alsa-project.org On Mon, Nov 14, 2011 at 09:37:17PM +0000, Mark Brown wrote: > On Mon, Nov 14, 2011 at 05:23:18PM +0100, Johannes Stezenbach wrote: > > sta32x resets and loses all configuration during ESD test. > > Work around by polling the CONFA register once a second > > and restore all coeffcients and registers when CONFA > > changes unexpectedly. > > Applied, though it would be nicer if idle_bias_off were also enabled so > that this only has an effect when audio is active (otherwise I can't > imagine anything cares about the reset). OK, I must admit the meaning of this comment was not clear to me, but after grepping in git log I found a850260e4722706805fda3a0f6e5bc1539e83bac Is that what you mean? Thanks Johannes