[alsa-devel] Question regarding "Fix backport of WM8994 thermal warning" patch

Thomas Abraham thomas.abraham at linaro.org
Fri Nov 4 17:03:35 CET 2011

Hi Mark,

On 4 November 2011 11:58, Mark Brown
<broonie at opensource.wolfsonmicro.com> wrote:
> 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.

Yes. I was referring to the latest mainline. I incorrectly wrote 3.1 above.

>> 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.

Thanks for the patch. I will try again with those patches.


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