[alsa-devel] How to add a new MIDI device to the usbaudio driver

Kristian Amlie kristian at amlie.name
Wed Aug 24 15:14:59 CEST 2011

On 08/24/11 12:29, Daniel Mack wrote:
> Ok - can you play around with these commands and add them to the MIDI
> driver? The stubs are all there now, and  I think all that's missing
> is the termios call and maybe write_latency_timer(). I could prepare
> another patch, but I think it's faster if you just try around which
> command sequence helps :)

I have tried to replicate the control messages to the best of my
ability, but I'm still getting no MIDI events. The actual values in the
stream may still be wrong (as per Clemens' email), so is there anywhere
I can hook into to see if I get any USB activity *at all*?


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