[PATCH 02/16] ASoC: soc-component: use io_mutex correctly

[Kai Vehmanen]

Hey,

On Tue, 16 Jun 2020, Kuninori Morimoto wrote:

> component has io_mutex, but it had been used at
> snd_soc_component_update_bits_legacy() only which does read and write.

this is quite interesting. I wonder as regmap does its own locking, should
io_mutex only be used on the non-regmap paths? The patch looks correct 
though, holding the mutex only in update_bits won't help when write is 
without locks.

Br, Kai