Re: [alsa-devel] [PATCH 2/2] ASoC: DAPM - Make sure DAPM widget IO ops hold the component mutex.

On Tue, Mar 06, 2012 at 06:16:19PM +0000, Liam Girdwood wrote:

• if (w->codec)

• mutex_lock(&w->codec->mutex);
  

Actually for CODECs we don't need to hold the CODEC mutex for I/O if we've pushed the cache down into regmap - regmap does all the locking for us. I'll send a followup patch.