[alsa-devel] [PATCH] ASoC: adau17x1: Cache writes when core clock is disabled

Lars-Peter Clausen lars at metafoo.de
Thu Feb 4 18:24:08 CET 2016


On 02/04/2016 06:22 PM, Lars-Peter Clausen wrote:
[...]
>> +	/* Enable cache only mode as we could miss writes before bias level
>> +	 * reaches standby and the core clock is enabled */
>> +	regcache_cache_only(regmap, true);
>> +
> 
> There are a few register writes before this where the hardware configuration
> is setup. When I look at my test setup those writes seem to go through, even
> though they shouldn't according to what you say (and to what is written in
> the datasheet).
> 
> On the other hand I've never seen the issue you are having either and I've
> tested both master and slave configuration of the device. Maybe something
> changed in the silicon in newer revisions of the device. Can you take a look
> whether the hardware configuration is correctly applied for you?

Ah, no, ignore that. Those writes happen later on.



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