On Thu, 12 Jan 2023 13:09:48 +0100, Takashi Sakamoto wrote: > > Hi, > > Fireface 400 uses asynchronous transaction mechanism to deliver event of > hardware knob control as well as received MIDI messages. Current > implementation doesn't distinguish them, thus all arrived messages are > processed for MIDI message. > > This patchset adds the parser to distinguish them, and deliver knob > control event to user space via ALSA hwdep character device. The > implementation works well as long as I tested with the patches for > libhitaki library: > > https://github.com/alsa-project/libhitaki/tree/topic/ff/400-msg > > I note that Fireface 400 transmits no asynchronous transaction when it > is not configured by block write transaction to offset 0x000080100514, > which turn off HOST led from red. > > Takashi Sakamoto (6): > ALSA: fireface: rename callback functions > ALSA: fireface: pick up time stamp for request subaction of asynchronous > transaction > ALSA: fireface: add helper function to parse MIDI messages transmitted by > Fireface 400 > ALSA: fireface: update UAPI for data of knob control > ALSA: fireface: add local framework to message parser > ALSA: fireface: implement message parser for Fireface 400 Applied now to for-next branch. Thanks. Takashi
