On Wed, 2021-01-13 at 22:34 +0500, Ivan Mironov wrote: > There are clones of DualShock 4 that are very similar to the > originals, > except of 1) they do not support HID feature report 0x81 and 2) they > do > not have any USB Audio interfaces despite they physically have audio > jack. Do you have the brand/catalogue name for the device on which you tested this? I found a "YCCTEAM" joypad, but it seems that the audio interface is supposed to work (maybe that's only on wireless?). Do you think you could also look into a patch for BlueZ's cable pairing plugin? It uses 0x81 too, even though it does have some fallback code. https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/plugins/sixaxis.c#n111
