[alsa-devel] [PATCH 0/6] snd-usb endpoint rework, version 7

[Daniel Mack]

On 13.04.2012 03:39, Grant Diffey wrote:
> On Fri, Apr 13, 2012 at 9:59 AM, Grant Diffey <gdiffey at gmail.com
> <mailto:gdiffey at gmail.com>> wrote:
> 
>     On Thu, Apr 12, 2012 at 9:51 PM, Daniel Mack <zonque at gmail.com
>     <mailto:zonque at gmail.com>> wrote:
> 
>         Here's the 7th iteration of patches that reimplement the
>         streaming logic of
>         the ALSA USB audio driver.
> 
>         There were some bugs reportes by Felix and Grant, which have
>         been resolved.
> 
>         More testing is definitely important, but maybe the code will
>         get a wider
>         test coverage when merged to the development tree?
> 
> 
>     So I've also tested this against the current -rt head and can report
>     that it solves the clicking problem with playback there as well.
> 
>     Grant.

Good, thanks.

> so dumb question...
> 
> is setting a sane set of alsa controls a problem for the driver or
> userspace/distributions?
> 
> the problem is.
> 
> if all volumes are max on module insert. the ftu is essentially unusable
> untill they're corrected

What about alsactl? Set the mixers once, then call "alsactl store". Does
that help?