peter.oehry@xxxxxx wrote: > My Name is Peter Oehry and I own a Fast Track Pro USB interface from > M-Audio. > > Maybe you can help me to improve the usb driver to support the 24-Bit > capability of this device. > > What I found out so far: > > The device has two configuration sets. The first one (chosen by > default) supports only 16-Bit. This mode works without any problems. > As I switched to the second configuration (by writint 2 to > /sys/bus/usb/devices/1-1/bConfigurationValue) more Interface > alternatives can be seen. I could mail the complete device > description. Please do show the "lsusb -v" output. > How can I add a quirk that the Configuration set is chosen by default? There is no predefined quirk for this. I guess you'd need another boot quirk. > In this configuration I was able to connect and get some sound through > the 24-Bit mode. But the sound seems to be a little bit scrambled up. > One chanel has only a bit of the propper sound with very high > distortion and the other channel has almost the right sound. But also > higher distortion than in 16-Bit mode. > > Does any body know this sort of problems? Maybe another device has a > similar problem. Some other M-Audio USB devices use big-endian samples. Regards, Clemens ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
