[Alsa-user] How to check ALSA version in Linux kernel

[xinhui z. <zx...@ie...>]

>
> Dear all,
>

      I am involved in a project which will use different kernel versions
along the way, first 4.14, 4.19, 5.3 etc.

    How can I know the differences in ALSA, besides comparing files ?
How to get the ALSA version in Linux kernel ?

  Thanks a lot,

Xinhui,