On 07/07/2014 11:26 AM, David W. wrote: > On 07/07/14 07:31, Clemens Ladisch wrote: >> Apparently, this device needs some vendor-specific magic to enable >> recording. >> > > Ah. Thanks for the info. It is an unconventional sound device . . . > > Have any other USB audio devices that require vendor-specific magic for > functionality been successfully made to work with ALSA (or rather has > ALSA been patched to work with them)? Tons of. Have a look at sound/usb/quirks.c > I'm guessing a start would be to monitor the USB port in a Windows > system between the device and the vendor's device driver. > > Then to apply a patch to ALSA enabling the necessary signals - but > perhaps that is beyond the remit of ALSA? Exactly. You can use usbmon to trace USB packets under Linux, see Documentation/usb/usbmon.txt. That also works when you boot Windows in a VM such as VirtualBox. Daniel ------------------------------------------------------------------------------ Open source business process management suite built on Java and Eclipse Turn processes into business applications with Bonita BPM Community Edition Quickly connect people, data, and systems into organized workflows Winner of BOSSIE, CODIE, OW2 and Gartner awards http://p.sf.net/sfu/Bonitasoft _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
