[alsa-devel] [PATCH v3] ASoC: da7210: Add support for PLL and SRM

[Ashish Chavan]

> The most common case is things like bluetooth SCO connections where if
> there's a baseband you want to clock from the baseband but if there's no
> baseband (eg, for VoIP calls) you can't do that.  Some devices also need
> to change audio interface configuration depening on things like the
> number of channels.
> 
> Even without any dynamic reconfiguration you also have cases where the
> sequence people use to power things up is to set the clocking and then
> configure the audio interface format - even if the audio interface
> format is always the same you'll still get it being reconfigured the
> first time you start up.

I see.

BTW I am also planning to add SPI support to this driver. Just want to
know if it should be done via reg-map APIs? If yes, then do I need to
convert existing I2C stuff too to use reg-map?

TIA!