[PATCH] ALSA: core - add more card sysfs entries

[Pierre-Louis Bossart]

On 4/8/21 10:01 AM, Jaroslav Kysela wrote:
> When we have a common standard layer for the plug-and-play handling (udev), we
> should concentrate to allow changing / refining of this information there.
> Those strings are not used for anything else than the user space. So from my
> view, there's no reason to create another mechanism to handle the overrides.
> It should be a safe, fast, flexible and_optional_  solution. The udev can
> alter the sysfs attributes directly without any hassle with the file
> modifications or looking for another way to pass / store this information
> somewhere.

There's one part where I am lost.

The initial idea of udev what to modify kernel parameters to pick a 
different path for firmware/topology before probing the PCI driver. At 
that point there is no card and no sysfs attributes just yet, they will 
be added at a later point during the probe itself.

So are we talking about a second set of rules that would be applied when 
the card is created?