[Bug 252434] for USB audio headset, need do set interface dynamiclly for power save and correct status of headsets

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252434

--- Comment #2 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
Hi,

Can you explain briefly why you need a new channel method to support this new
feature?

Cannot the current channel callback methods be used?


Have you tried:

usbconfig -d X.Y power_save

It will cause automatic suspend of the USB audio device when not in use? Can
this be used instead of playing with the alternate settings?

--HPS

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