[alsa-devel] REGRESSION: Webcam mic for 145f:015b not longer working with 1.0.24 and above (OK with 1.0.23)

[Kostas]

Hi All,

I have a 'Trust Webcam' (USB ID: 145f:015b) that comes with a microphone.
The microphone works with Alsa 1.0.23 but it does not work with the 
latest Alsa 1.0.25 neither with Alsa 1.0.24.
Apparently this is a regression.

What shall I do to figure out the source of the problem?

Here are attached my alsa-infos, with Alsa 1.0.23 (working), 1.0.24 (NOT 
working) and 1.0.25 (NOT working).

Thanks!

1.0.23 
http://www.alsa-project.org/db/?f=a4e2c86d93ff67c5d6acd4933c76f47a60cf51ee

1.0.24 
http://www.alsa-project.org/db/?f=9aa13f70ec169011b9dfc5625370ce3e6f7827a1

1.0.25 
http://www.alsa-project.org/db/?f=c3f63b69655b379e3eec54ab00e63b186a677422