TV softwares does not detect the device (tested: Me TV, TVTime).

dmesg

[  393.060053] usb 1-4: new high-speed USB device number 3 using ehci-pci
[  393.178940] usb 1-4: New USB device found, idVendor=07ca, idProduct=a815
[  393.178948] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  393.178952] usb 1-4: Product: A815
[  393.178957] usb 1-4: Manufacturer: AVerMedia
[  393.178961] usb 1-4: SerialNumber: 300230935093091
[  393.180521] usb 1-4: dvb_usb_v2: found a 'AVerMedia AVerTV DVB-T Volar X' in cold state
[  393.180528] 1-4: Missing Free firmware
[  393.180572] usb 1-4: Direct firmware load failed with error -2
[  393.180576] usb 1-4: Falling back to user helper
[  393.182531] usb 1-4: dvb_usb_v2: Did not find the firmware file '/*(DEBLOBBED)*/'. Please see linux/Documentation/dvb/ for more details on firmware-problems. Status -22
[  393.182552] dvb_usb_af9015: probe of 1-4:1.0 failed with error -22
[  393.186452] input: AVerMedia A815 as /devices/pci0000:00/0000:00:1a.7/usb1/1-4/1-4:1.1/input/input20
[  393.186651] hid-generic 0003:07CA:A815.0002: input,hidraw0: USB HID v1.01 Keyboard [AVerMedia A815] on usb-0000:00:1a.7-4/input1