Re: [PATCH] USB: ftdi_sio: Use jtag quirk for SNAP Connect E10

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On Wed, Mar 25, 2015 at 3:44 AM, Johan Hovold <johan@xxxxxxxxxx> wrote:
> On Mon, Mar 23, 2015 at 08:34:48PM -0500, Doug Goldstein wrote:
>> This patch uses the existing CALAO Systems ftdi_8u2232c_probe in order
>> to avoid attaching a TTY to the JTAG port as this board is based on the
>> CALAO Systems reference design and needs the same fix up.
>
> Thanks for the patch. Could you please provide the full "lsusb -v"
> output for the device before I apply it?
>
> Thanks,
> Johan

Johan,

This is the "lsusb -v" of the device in question.

Bus 002 Device 114: ID 0403:6010 Future Technology Devices
International, Ltd FT2232C Dual USB-UART/FIFO IC
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x0403 Future Technology Devices International, Ltd
  idProduct          0x6010 FT2232C Dual USB-UART/FIFO IC
  bcdDevice            5.00
  iManufacturer           1 Synapse
  iProduct                2 SNAP Connect E10
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           55
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              2 SNAP Connect E10
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              2 SNAP Connect E10
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x04  EP 4 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)


I'm game for a better way of avoiding having a tty bound to the first
interface. I've been trying to figure out if I can do it via udev as
well but have had no luck there.

-- 
Doug Goldstein
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