[alsa-devel] How to check ALSA version in Linux kernel

[Takashi Iwai]

On Thu, 12 Sep 2019 17:42:37 +0200,
xinhui zhou wrote:
> 
> >
> > 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 ?

There is no "ALSA version" any longer in the kernel side.  The
protocol is kept in backward-compatible way, and a new protocol is
checked via each protocol version number ioctl.


Takashi