On Mon, 03 Aug 2020 16:26:08 +0200, Kai-Heng Feng wrote: > > Lenovo ThinkStation P620 is like other TRX40 boards, is equipped with > two USB audio cards. > > USB device (17aa:104d) provides functionality for Internal Speaker and > Front Headset. It's UAC v2, so it supports insertion control (jack > detection). However, when trying to get the connector status of the > speaker, an error occurs: > [ 5.787405] usb 3-1: cannot get connectors status: req = 0x81, wValue = 0x200, wIndex = 0x1000, type = 0 > > Since the insertion control works perfectly for the headset, the error > for speaker is probably casued by connecting internally. So let's relax > the error for a bit if it's a speaker, and always reports it's connected. > > USB device (17aa:1046) is for rear Line-in, Line-out and Microphone. > The insertion control works for all three jacks. However, there's an > Function Unit that doesn't work: > [ 5.905415] usb 3-6: cannot get ctl value: req = 0x83, wValue = 0xc00, wIndex = 0x1300, type = 4 > [ 5.905418] usb 3-6: 19:0: cannot get min/max values for control 12 (id 19) > > So turn off the FU to avoid the error. > > Also, add specific card name for both devices, so userspace can easily > indentify both cards. > > Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> Thanks, applied. Takashi