From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: Question regarding "Fix backport of WM8994 thermal warning" patch Date: Fri, 4 Nov 2011 15:58:29 +0000 Message-ID: <20111104155828.GA28902@opensource.wolfsonmicro.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 1D24C248A7 for ; Fri, 4 Nov 2011 16:58:30 +0100 (CET) Content-Disposition: inline In-Reply-To: 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: Thomas Abraham Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Fri, Nov 04, 2011 at 08:11:58AM -0400, Thomas Abraham wrote: > I am trying sound on Exynos4 smdk board with the latest 3.1 kernel. In Do you mean the latest mainline? The thermal warning support was only implemented for v3.1 and the line numbers only match up with mainline. > the function "wm8994_codec_probe", the kernel crashes due to null > pointer when requesting "Thermal Warning" interrupt (line# 3183 of > sound/soc/codecs/wm8994.c file). wm8994->control_data is actually NULL > at this point. This is just a straight bug, I'll post a patch.