[alsa-devel] [PATCH] ASoC: ssm4567: Add driver for Analog Devices SSM4567 amplifier

[Lars-Peter Clausen]

On 09/26/2014 10:38 PM, Anatol Pomozov wrote:
> I've fixed the items you mentioned.
>
> One difference I spotted between your and mine patches is that you
> don't call regcache_cache_only(regmap) before powering down the
> device. Is it because I2C alive in power down mode? I guess I need to
> remove regcache_cache_only() then.
>

Yes, the interface should be alive, unless of course you disable the 
regulator. But having the regcache_cache_only() should not hurt, except that 
we need to resync the registers on power on, which can cause small 
additional delays.

- Lars