2017-02-21 2:04 GMT-03:00 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>:
> On Mon, Feb 20, 2017 at 03:28:37PM -0300, Cristian wrote:
>> Hello,
>>
>> dmesg:
>> [ 2.465370] usbhid 3-2:1.1: couldn't find an input interrupt endpoint
>
> And does this cause a problem? Does the device not work?
> What is the output of 'lsusb -v -s3:2' with the device plugged in?
caravena@caravena-530U3C-530U4C:~$ lsusb -v -s3:2
Bus 003 Device 002: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046d Logitech, Inc.
idProduct 0xc077 M105 Optical Mouse
bcdDevice 72.00
iManufacturer 1
iProduct 2
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
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 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 46
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 10
--
Cristian
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