Re: [alsa-devel] [PATCH 2/4] Input - arizona-haptics: Add driver haptics module on Arizona CODECs

27 Nov 2012

      On Mon, Nov 26, 2012 at 03:11:22PM -0800, Dmitry Torokhov wrote:
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mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);

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You cannot sleep in play() methods.
Sorry, I wasn't getting enough vibrations from the code :)  I just sent
a documentation patch.

Mark Brown