[PATCH v3 11/17] ASoC: Intel: avs: Firmware resources management utilities

[Ranjani Sridharan]

On Mon, 2022-03-07 at 18:13 +0100, Cezary Rojewski wrote:
> > This is the part that's hard to follow without seeing the actual
> > code
> > where this new library is loaded. When does a libray get loaded?
> > When
> > you start streaming and you realize that the stream requires a
> > module
> > that is not built into the base FW? Can this be done during
> > topology
> > loading instead?
> 
> 
> But that's already done during topology load! If there is no
> topology 
> 
> telling the driver: "hey, load this lib for me!", nothing gets
> loaded 
> 
> regardless of how your /lib/firmware looks like. Libraries get
> loaded 
> 
> during soc-component's (platform component) ->probe(). This is place 
> 
> where snd_soc_tplg_component_load() is called.
> 
> 
> 
> However, if platform has no IMR capability, driver has to re-load 
> 
> libraries for all platform components of bound sound cards on every 
> 
> pm_runtime_resume().

And if it done during pm_runtime_resume(), where would the problem with
synchronizing arise from? userspace apps do not get resumed until after
the PCI device is resumed isnt it?

Thanks,
Ranjani