eegorov@EGOROV ~ $ solid-hardware query "Camera.supportedDrivers == 'gphoto'"
udi = '/org/kde/solid/udev/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3'
eegorov@EGOROV ~ $ solid-hardware details  /org/kde/solid/udev/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3
udi = '/org/kde/solid/udev/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3'
  parent = '/org/kde/solid/udev'  (string)
  vendor = 'Canon Inc.'  (string)
  product = 'Canon Digital Camera'  (string)
  description = 'Camera'  (string)
  Block.major = 189  (0xbd)  (int)
  Block.minor = 139  (0x8b)  (int)
  Block.device = '/dev/bus/usb/002/012'  (string)
  Camera.supportedProtocols = {'ptp'}  (string list)
  Camera.supportedDrivers = {'gphoto'}  (string list)


I can fetch files from camera by gphoto2 fron user.

eegorov@EGOROV ~ $ LC_ALL=C gphoto2 --summary
Camera summary:                                                                
Manufacturer: Canon Inc.
Model: Canon PowerShot A710 IS
  Version: 1-3.0.1.0
  Serial Number: D64A8C935C6E44D6AF271BB5B826AFE1
Vendor Extension ID: 0xb (1.0)

Capture Formats: JPEG
Display Formats: Association/Directory, Script, DPOF, MS AVI, MS Wave, JPEG, CRW, Unknown(bf01)

Device Capabilities:
        File Download, File Deletion, File Upload
        No Image Capture, No Open Capture, No vendor specific capture

Storage Devices Summary:
store_00010001:
        StorageDescription: None
        VolumeLabel: None
        Storage Type: Removable RAM (memory card)
        Filesystemtype: Digital Camera Layout (DCIM)
        Access Capability: Read-Write
        Maximum Capability: 2057437184 (1962 MB)
        Free Space (Bytes): 2008154112 (1915 MB)
        Free Space (Images): -1

Device Property Summary:
Event Emulate Mode(0xd045):(readwrite) (type=0x4) Enumeration [1,2,3,4,5,6,7] value: 2
Property 0xd04a:(readwrite) (type=0x2) Enumeration [0,1,2,3] value: 0
Size of Output Data from Camera(0xd02e):(read only) (type=0x6) 524288
Size of Input Data to Camera(0xd02f):(read only) (type=0x6) 262144
Battery Type(0xd002):(read only) (type=0x4) Enumeration [0,1,2,3,4,5] value: Unknown (0)
Battery Mode(0xd003):(read only) (type=0x6) Enumeration [0,1,2,3] value: Normal (1)
UNIX Time(0xd034):(readwrite) (type=0x6) 1378569891
Type of Slideshow(0xd047):(read only) (type=0x4) 0
DPOF Version(0xd046):(read only) (type=0x4) 257
Supported Thumb Size(0xd02d):(read only) (type=0x4006) a[4] 119,0,159,0
Size Quality Mode(0xd02c):(read only) (type=0x4006) Enumeration [
        a[6] 2304,3072,1,0,0,0,
        a[6] 2304,3072,6,0,0,0,
        a[6] 2304,3072,11,0,0,0,
        a[6] 1944,2592,2,0,0,0,
        a[6] 1944,2592,7,0,0,0,
        a[6] 1944,2592,12,0,0,0,
        a[6] 1536,2048,3,0,0,0,
        a[6] 1536,2048,8,0,0,0,
        a[6] 1536,2048,13,0,0,0,
        a[6] 1200,1600,17,0,0,0,
        a[6] 1200,1600,18,0,0,0,
        a[6] 1200,1600,19,0,0,0,
        a[6] 480,640,5,0,0,0,
        a[6] 480,640,10,0,0,0,
        a[6] 480,640,15,0,0,0
        ] value: a[6] 0,0,0,0,0,0
Remote API Version(0xd030):(read only) (type=0x6) 256
Model ID(0xd049):(read only) (type=0x6) 33685504
Camera Model(0xd032):(read only) (type=0xffff) 'Canon PowerShot A710 IS'
Camera Owner(0xd033):(readwrite) (type=0x4002) a[1] 0
Firmware Version(0xd031):(read only) (type=0x6) 16777216
Property 0xd402:(read only) (type=0xffff) 'Canon PowerShot A710 IS'
Property 0xd407:(read only) (type=0x6) 1