[alsa-devel] Zoom R16/24 playback slient

[Ricard Wanderlof]

On Wed, 30 Sep 2015, Panu Matilainen wrote:

> I do have an usb dump of Windows initializing the thing and can/will 
> share and/or generate new ones if you/others want to have a look. It 
> hasn't helped me so far, problem being I dont really know what to look 
> for in the first place.

Although I doubt I'll be able to make more sense of it than you, it would 
be interesting to have a look at, perhaps it can be useful.

What might also be interesting if you don't already have a dump of it is 
Windows actually starting a playback stream.

> IIRC you start getting hangs accompanied with "cannot get/set freq XXX 
> to ep Y" (or similar) messages when you try to open both. For a single 
> interface at a time, those messages went away by adding the small delay, 
> but adding more delay doesn't help with the case where both are active.
> 
> So to me the evidence seems to suggest it only supports a global 
> frequency for the device, instead of per interface. Which, considering 
> what the device is, seems quite reasonable.

Yes, I agree.

/Ricard
-- 
Ricard Wolf Wanderlöf                           ricardw(at)axis.com
Axis Communications AB, Lund, Sweden            www.axis.com
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