On Mon, Jun 22, 2020 at 11:04:09AM -0600, James Hilliard wrote: > On Mon, Jun 22, 2020 at 2:53 AM Johan Hovold <johan@xxxxxxxxxx> wrote: > > > > On Tue, Jun 16, 2020 at 04:04:03PM -0600, James Hilliard wrote: > > > This is a UPB(Universal Powerline Bus) PIM(Powerline Interface Module) > > > which allows for controlling multiple UPB compatible devices from > > > Linux using the standard serial interface. > > > > > > Based on vendor application source code there are two different models > > > of USB based PIM devices in addition to a number of RS232 based PIM's. > > > > > > The vendor UPB application source contains the following USB ID's: > > > #define USB_PCS_VENDOR_ID 0x04b4 > > > #define USB_PCS_PIM_PRODUCT_ID 0x5500 > > > > > > #define USB_SAI_VENDOR_ID 0x17dd > > > #define USB_SAI_PIM_PRODUCT_ID 0x5500 > > > > > > The first set of ID's correspond to the PIM variant sold by Powerline > > > Control Systems while the second corresponds to the Simply Automated > > > Incorporated PIM. As the product ID for both of these match the default > > > cypress HID->COM RS232 product ID it assumed that they both use an > > > internal variant of this HID->COM RS232 converter hardware. However > > > as the vendor ID for the Simply Automated variant is different we need > > > to also add it to the cypress_M8 driver so that it is properly > > > detected. > > > > > > Signed-off-by: James Hilliard <james.hilliard1@xxxxxxxxx> > > > --- > > > Changes v1 -> v2: > > > - Add more detailed commit message. > > > > Now applied, thanks. > > > > Would you mind posting the output of "lsusb -v" for this device for > > completeness? > Bus 001 Device 004: ID 17dd:5500 > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 1.00 > bDeviceClass 0 > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 8 > idVendor 0x17dd > idProduct 0x5500 > bcdDevice 0.00 > iManufacturer 1 Simply Automated Inc. > iProduct 2 USB to Serial > iSerial 0 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 0x0029 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 4 Sample HID > bmAttributes 0x80 > (Bus Powered) > MaxPower 100mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 2 > bInterfaceClass 3 > bInterfaceSubClass 0 > bInterfaceProtocol 0 > iInterface 0 > HID Device Descriptor: > bLength 9 > bDescriptorType 33 > bcdHID 1.00 > bCountryCode 0 Not supported > bNumDescriptors 1 > bDescriptorType 34 Report > wDescriptorLength 37 > Report Descriptors: > ** UNAVAILABLE ** Thanks for posting this. Don't you need to add this device to the HID driver's ignore list to prevent it from claiming the device (see hid_ignore_list) just like for the Cypress VID? Johan
