On Wed, 2021-01-13 at 16:17 +0100, Takashi Iwai wrote:
On Wed, 13 Jan 2021 16:13:40 +0100, Bastien Nocera wrote:
On Wed, 2021-01-13 at 16:08 +0100, Takashi Iwai wrote:
<snip> Nothing so far, and that's the problem. HID is managed in a completely different layer, hence the integration needs to be done in a higher level like PA, I suppose. In theory we might be able to extend UCM to handle the other external devices, though.
hid-prodikeys.c seems to do some MIDI stuff...
It creates its own sound card. But you want to use the mixer switch for the existing audio interface, right?
My idea was to create my own sound card (it's a separate USB interface after all) exporting the sidetone mixer, and figure out how to merge it with the USB audio interface at PulseAudio's level.
Otherwise