Bug#1114557: [regression] 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") causes issue with ID 4c4a:4155 Jieli Technology USB Composite Device

[Staffan Melin <staffan.melin@oscillator.se>]

Hi Terry,

I am the one with the Jieli touchscreen.

On 2025-09-08 06:10, Terry Junge wrote:
> The root of the issue here is that two devices have bootlegged the same 
> VID:PID.
>
> 0x4c4a is not a valid VID that has been assigned according to the 
> latest list from USBIF (vendor_ids072325_1.pdf) so conflicts like this 
> could surface at any time.
>
> [   10.188336] usb 3-3: device descriptor read/64, error -71
> [   10.439533] usb 3-3: config 1 interface 0 altsetting 0 has 2 
> endpoint descriptors, different from the interface descriptor's value: 
> 1
> [   10.451534] usb 3-3: New USB device found, idVendor=4c4a, 
> idProduct=4155, bcdDevice= 1.00
> [   10.451540] usb 3-3: New USB device strings: Mfr=1, Product=2, 
> SerialNumber=3
> [   10.451543] usb 3-3: Product: USB Composite Device
> [   10.451545] usb 3-3: Manufacturer: Jieli Technology
> [   10.451546] usb 3-3: SerialNumber: FFFFFFFFFFFFFFFF
>
> Can anyone supply the Jieli descriptors, including the Report 
> Descriptor? It clearly has problems but not bad enough to fail 
> enumeration.
>
> The commit 1a8953f4f774 should be reverted and SMARTLINKTECHNOLOGY 
> should either bootleg a different PID, get a valid VID, or fix their 
> device so a quirk is never required.
>
> Thanks,
> Terry

In /sys/bus/hid/devices/0003:4C4A:4155.0003 i have the report_descriptor 
file:

00000000  05 0d 09 04 a1 01 85 aa  09 22 a1 00 09 42 15 00  
|........."...B..|
00000010  25 01 75 01 95 01 81 02  75 03 81 03 09 51 75 04  
|%.u.....u....Qu.|
00000020  25 0a 81 02 75 08 95 01  81 03 05 01 75 10 55 00  
|%...u.......u.U.|
00000030  65 00 09 30 35 00 26 00  10 46 00 10 81 02 09 31  
|e..05.&..F.....1|
00000040  26 00 10 46 00 10 81 02  c0 a1 00 05 0d 09 42 15  
|&..F..........B.|
00000050  00 25 01 75 01 95 01 81  02 75 03 81 03 09 51 75  
|.%.u.....u....Qu|
00000060  04 25 0a 81 02 75 08 95  01 81 03 05 01 75 10 55  
|.%...u.......u.U|
00000070  00 65 00 09 30 35 00 26  00 10 46 00 10 81 02 09  
|.e..05.&..F.....|
00000080  31 26 00 10 46 00 10 81  02 c0 a1 00 05 0d 09 42  
|1&..F..........B|
00000090  15 00 25 01 75 01 95 01  81 02 75 03 81 03 09 51  
|..%.u.....u....Q|
000000a0  75 04 25 0a 81 02 75 08  95 01 81 03 05 01 75 10  
|u.%...u.......u.|
000000b0  55 00 65 00 09 30 35 00  26 00 10 46 00 10 81 02  
|U.e..05.&..F....|
000000c0  09 31 26 00 10 46 00 10  81 02 c0 a1 00 05 0d 09  
|.1&..F..........|
000000d0  42 15 00 25 01 75 01 95  01 81 02 75 03 81 03 09  
|B..%.u.....u....|
000000e0  51 75 04 25 0a 81 02 75  08 95 01 81 03 05 01 75  
|Qu.%...u.......u|
000000f0  10 55 00 65 00 09 30 35  00 26 00 10 46 00 10 81  
|.U.e..05.&..F...|
00000100  02 09 31 26 00 10 46 00  10 81 02 c0 a1 00 05 0d  
|..1&..F.........|
00000110  09 42 15 00 25 01 75 01  95 01 81 02 75 03 81 03  
|.B..%.u.....u...|
00000120  09 51 75 04 25 0a 81 02  75 08 95 01 81 03 05 01  
|.Qu.%...u.......|
00000130  75 10 55 00 65 00 09 30  35 00 26 00 10 46 00 10  
|u.U.e..05.&..F..|
00000140  81 02 09 31 26 00 10 46  00 10 81 02 c0 05 0d 09  
|...1&..F........|
00000150  54 95 01 75 08 15 00 25  0a 81 02 09 55 b1 02 95  
|T..u...%....U...|
00000160  3e b1 03 c0 05 0d 09 02  a1 01 85 cc 09 20 a1 00  
|>............ ..|
00000170  09 42 09 44 09 3c 09 45  15 00 25 01 75 01 95 04  
|.B.D.<.E..%.u...|
00000180  81 02 95 01 09 32 81 02  95 03 81 03 05 01 09 30  
|.....2.........0|
00000190  75 10 95 01 a4 55 0d 65  13 35 00 26 00 10 46 00  
|u....U.e.5.&..F.|
000001a0  10 81 02 09 31 26 00 10  46 00 10 81 02 b4 05 0d  
|....1&..F.......|
000001b0  09 30 26 ff 00 81 02 75  08 09 3d 15 81 25 7f 81  
|.0&....u..=..%..|
000001c0  02 09 3e 15 81 25 7f 81  02 c0 c0 05 01 09 02 a1  
|..>..%..........|
000001d0  01 85 58 09 01 a1 00 05  09 19 01 29 02 15 00 25  
|..X........)...%|
000001e0  01 75 01 95 02 81 02 95  06 81 03 05 01 09 30 15  
|.u............0.|
000001f0  00 26 00 10 09 31 26 00  10 75 10 95 02 55 0e 65  
|.&...1&..u...U.e|
00000200  11 35 00 46 00 10 81 02  09 38 15 81 25 7f 75 08  
|.5.F.....8..%.u.|
00000210  95 01 81 06 c0 c0                                 |......|

And here is the output from lsusb -c:

Bus 003 Device 003: ID 4c4a:4155 Jieli Technology USB Composite Device
Couldn't open device, some information will be missing
Negotiated speed: Full Speed (12Mbps)
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 [unknown]
  bDeviceSubClass         0 [unknown]
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x4c4a Jieli Technology
  idProduct          0x4155 USB Composite Device
  bcdDevice            1.00
  iManufacturer           1 Jieli Technology
  iProduct                2 USB Composite Device
  iSerial                 3 FFFFFFFFFFFFFFFF
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0029
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 [unknown]
      bInterfaceProtocol      0
      iInterface              0
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.10
          bCountryCode           33 Unknown
          bNumDescriptors         1
          bDescriptorType        34 (null)
          wDescriptorLength     534
          Report Descriptors:
            ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               1

Best regards,

Staffan



> > The issue is not specific to the 6.12.y series and confirmed in 6.16.3
> > as well.
> >
> > Staffan Melin did bisect the kernels between 6.12.38 (which was still
> > working) and 6.1.41 (which was not), confirming by bisection that the
> > offending commit is
> >
> > 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY")
> >
> > #regzbot introduced: 1a8953f4f774
> > #regzbot monitor: https://bugs.debian.org/1114557
> >
> > So it looks that the quirk applied is unfortunately affecting
> > negatively as well Staffan Melin case.
> >
> > Can you have a look?
> >
> > Regards,
> > Salvatore