[alsa-devel] [PATCH v3 08/11] ASoC: fsl: make fsl_ssi driver compilable on ARM/IMX

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Mar 9 12:53:31 CET 2012

On Fri, Mar 09, 2012 at 11:21:31AM +0800, Shawn Guo wrote:
> On Fri, Mar 09, 2012 at 02:09:57AM +0000, Tabi Timur-B04825 wrote:

> > That's the general idea, but I think it needs more study.  I don't 
> > consider this to be a bug that needs to be fixed ASAP, since it's never 
> > been an actual problem so far.  For instance, do we need to protect 
> > between hw_params and _trigger?

Yes, the capture and playback streams may run in parallel.

> Ok, I will leave it to you with a big "FIXME" comment then.

You probably just need a read/modify/write function to do the locking in
the style of update_bits().
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