[alsa-devel] volume scaling of usb audio class headset

Sean McNamara smcnam at gmail.com
Fri Oct 24 20:13:29 CEST 2008

There is a *huge* (83 replies) thread in the alsa-devel ML archives
about this problem. Lennart Poettering raised the issue regarding his
Logitech external USB speakers.


Sort through the replies to see if you can make any sense out of the
workarounds, patches, and so on that resulted from this discussion. If
possible, try the latest GIT alsa-driver and alsa-lib.


On Fri, Oct 24, 2008 at 1:35 PM, Jelle de Jong
<jelledejong at powercraft.nl> wrote:
> Hello everybody,
> I got a question, I got a few usb headsets that seem to apply to the usb
> audio class and the volume scale is way to big with alsa. with the
> control on 10 of the 100 you are almost getting deaf. So my question is
> how does alsa make an scaling for such devices and how to fix it so that
> the full range can be used in a normal volume spectrum.
> Thank in advance,
> Jelle
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