Johannes Findeisen wrote: > On Mon, 2011-01-10 at 09:17 +0100, Clemens Ladisch wrote: > > Johannes Findeisen wrote: > > > I am using two Ploytec MIDI cables for connecting my keyboard to my PC. > > > One should work as IN port the other should work as OUT port. These > > > cables have a MIDI plug on one side and a USB plug on the other. The > > > electronics are embedded in one of the ends of the cable. > > > > > > My problem is, that both devices are recognized as IN ports. > > > > Please show the output of "amidi -l" when both cables are connected. > > Thanks for reply! > > localhost ~ # amidi -l > Dir Device Name > IO hw:3,0,0 Ploytec MIDI Cable MIDI 1 > IO hw:4,0,0 Ploytec MIDI Cable MIDI 1 Both devices claim to have both an input and an output port. Why do you think there is no output? > > If both are shown are input ports, also show the output of "lsusb -l" > > for both devices. > > lsusb for me not support "-l" but it think you meant "-s"... ;) Sorry, I meant "-v". > localhost ~ # lsusb -s 001:050 -v > Bus 001 Device 050: ID 0a4a:e5e5 > ... The descriptors are identical. I'd guess that the firmware is the same and that just one of the ports is wired up in each cable. Regards, Clemens ------------------------------------------------------------------------------ Gaining the trust of online customers is vital for the success of any company that requires sensitive data to be transmitted over the Web. Learn how to best implement a security strategy that keeps consumers' information secure and instills the confidence they need to proceed with transactions. http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user