kern/152622: [pcm] uaudio recording problem

Oliver Fromme olli at
Sun Apr 17 15:29:48 UTC 2011

Thierry Thomas wrote:
 > According to <>, there is a
 > workaround, which is working for olli@ with two webcams and also for
 > mine:
 > - firstly, you have to launch webcamd
 > I do that automatically by adding the following lines in my
 > /etc/devd.conf:
 > attach 100 {
 >         match "vendor" "0x046d";
 >         match "product" "0x0825";
 >         action "/usr/local/sbin/webcamd -d ugen4.3 -i 0 -v 0";
 > };
 > (replace "0x0825" and ugen4.3 according to dmesg)
 > - then you have to open the camera device (/dev/video0) by an
 > application (e.g. pwcview)
 > - then run the following command:
 > # usbconfig -d ugenX.Y do_request 0x22 0x01 0x100 0x86 0x03 0x80 0xBB 0x00
 > Replace "ugenX.Y" with your device, according to the output from dmesg.
 > That's all!

Hans Petter Selasky posted a small patch:

Would you please give it a try?  With that patch, I do not
need the "usbconfig do_request" command anymore with my
C210 or C310 HD.  I still need to do a "usbconfig reset",

Best regards

Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
Handelsregister: Registergericht Muenchen, HRA 74606,  Geschäftsfuehrung:
secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün-
chen, HRB 125758,  Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart

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