Re: [PATCH] ASoC: core: Change device numbering

[Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxxxxxxxx>]

> > Well, those can be set to something better, it's just that ASoC defaults
> > to DMI if there is no longname provided. So if you have any suggestions,
> > we can do it while also changing card names.
> > But do note that it allows for differentiating between different
> > machines using same card in case we need to do something custom for UCM
> > on one of them:
> > 2680
> > access("/usr/share/alsa/ucm2/conf.d/avs_hdaudio/LENOVO-20KH006LPB- 
> > ThinkPadX1Carbon6th.conf",
> > R_OK) = -1 ENOENT (No such file or directory)
> > 2680  access("/usr/share/alsa/ucm2/conf.d/avs_hdaudio/avs_hdaudio.conf",
> > R_OK) = -1 ENOENT (No such file or directory)
> > so while not pretty I'm not sure if we can do any better, without
> > breaking above possibility. And in most cases UCM based on driver name
> > should be enough, which looks pretty enough.
>
> UCM can do DMI matching itself now like (copied from acp5x.conf):
>
> ....
> If.jupiter {
>      Condition {
>          Type String
>          String1 "Jupiter"
>          String2 "${sys:devices/virtual/dmi/id/product_name}"
>      }
>      True {
>                  ...
> ....
>
> The long name path lookup is a relict from the past. ASoC core just 
> duplicates information which can be already obtained in the user space. 
> I'm going to rewrite the machine specific links and use the UCM like 
> matching here. With this, we can turn long name lookups in /usr/share/ 
> alsa/ucm2/ucm.conf off.

Oh, that's nice, should I then also set longname = shortname for our 
cards? I would like to avoid a need to change things again in this area 
in the future ;)