[ 81.753703] usb 1-2: new full-speed USB device number 9 using xhci_hcd [ 81.877148] usb 1-2: device descriptor read/64, error -71 [ 82.210907] input: HiFimeDIY Audio HiFimeDIY DAC as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:1852:7022.0005/input/input22 [ 82.211121] hid-generic 0003:1852:7022.0005: input,hidraw2: USB HID v1.00 Device [HiFimeDIY Audio HiFimeDIY DAC] on usb-0000:00:14.0-2/input0 [ 82.231042] usb 1-2: [16] FU [PCM Playback Switch] ch = 1, val = 0/1/1 [ 82.232211] usb 1-2: cannot set ctl value: req = 0x4, wValue = 0x201, wIndex = 0x1001, type = 4, data = 0x40/0x0 [ 82.232616] usb 1-2: [16] FU [PCM Playback Volume] ch = 2, val = -14080/0/128 [ 82.232626] usb 1-2: [14] FU [Line Capture Switch] ch = 1, val = 0/1/1 [ 82.233919] usb 1-2: cannot set ctl value: req = 0x4, wValue = 0x201, wIndex = 0xe01, type = 4, data = 0x40/0x0 [ 82.234301] usb 1-2: [14] FU [Line Capture Volume] ch = 2, val = -10240/3072/128 [ 82.234310] usb 1-2: [DEBUG] nameid:0, len:0 [ 82.234313] usb 1-2: [DEBUG] len:3, get_term_name:PCM [ 82.234315] usb 1-2: [11] SU [PCM] items = 2