Hi, dmesg says
[81353.318475] usb 1-1.2: New USB device found, idVendor=2040, idProduct=0265, bcdDevice= 1.00
[81353.318490] usb 1-1.2: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[81353.318496] usb 1-1.2: Product: dualHD
[81353.318502] usb 1-1.2: Manufacturer: HCW
[81353.318508] usb 1-1.2: SerialNumber: 0011569275
[81353.356377] em28xx 1-1.2:1.0: New device HCW dualHD @ 480 Mbps (2040:0265, interface 0, class 0)
[81353.356395] em28xx 1-1.2:1.0: DVB interface 0 found: isoc
[81353.426861] em28xx 1-1.2:1.0: chip ID is em28174
[81354.735086] em28xx 1-1.2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x63e2c3c8
[81354.735110] em28xx 1-1.2:1.0: EEPROM info:
[81354.735128] em28xx 1-1.2:1.0: microcode start address = 0x0004, boot configuration = 0x01
[81354.743333] em28xx 1-1.2:1.0: AC97 audio (5 sample rates)
[81354.743346] em28xx 1-1.2:1.0: 500mA max power
[81354.743357] em28xx 1-1.2:1.0: Table at offset 0x27, strings=0x0e6a, 0x1888, 0x087e
[81354.806688] em28xx 1-1.2:1.0: Identified as Hauppauge WinTV-dualHD DVB (card=99)
[81354.811650] tveeprom: Hauppauge model 204109, rev B3I6, serial# 11569275
[81354.811662] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[81354.811670] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[81354.811676] tveeprom: audio processor is None (idx 0)
[81354.811681] tveeprom: has no radio, has IR receiver, has no IR transmitter
[81354.811698] em28xx 1-1.2:1.0: dvb set to isoc mode.
[81354.947290] em28xx 1-1.2:1.0: chip ID is em28174
[81356.255217] em28xx 1-1.2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x63e2c3c8
[81356.255230] em28xx 1-1.2:1.0: EEPROM info:
[81356.255237] em28xx 1-1.2:1.0: microcode start address = 0x0004, boot configuration = 0x01
[81356.263574] em28xx 1-1.2:1.0: AC97 audio (5 sample rates)
[81356.263587] em28xx 1-1.2:1.0: 500mA max power
[81356.263597] em28xx 1-1.2:1.0: Table at offset 0x27, strings=0x0e6a, 0x1888, 0x087e
[81356.326690] em28xx 1-1.2:1.0: Identified as Hauppauge WinTV-dualHD DVB (card=99)
[81356.331638] tveeprom: Hauppauge model 204109, rev B3I6, serial# 11569275
[81356.331648] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[81356.331656] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[81356.331661] tveeprom: audio processor is None (idx 0)
[81356.331666] tveeprom: has no radio, has IR receiver, has no IR transmitter
[81356.331684] em28xx 1-1.2:1.0: dvb ts2 set to isoc mode.
[81356.532991] usbcore: registered new interface driver em28xx
[81356.544771] em28xx 1-1.2:1.0: Binding DVB extension
[81356.572493] i2c i2c-5: Added multiplexed i2c bus 8
[81356.572512] si2168 5-0064: Silicon Labs Si2168-B40 successfully identified
[81356.572519] si2168 5-0064: firmware version: B 4.0.2
[81356.588602] si2157 8-0060: Silicon Labs Si2147/2148/2157/2158 successfully attached
[81356.588748] dvbdev: DVB: registering new adapter (1-1.2:1.0)
[81356.588768] em28xx 1-1.2:1.0: DVB: registering adapter 0 frontend 0 (Silicon Labs Si2168)...
[81356.591551] em28xx 1-1.2:1.0: DVB extension successfully initialized
[81356.591574] em28xx 1-1.2:1.0: Binding DVB extension
[81356.607473] i2c i2c-7: Added multiplexed i2c bus 9
[81356.607491] si2168 7-0067: Silicon Labs Si2168-B40 successfully identified
[81356.607499] si2168 7-0067: firmware version: B 4.0.2
[81356.621601] si2157 9-0063: Silicon Labs Si2147/2148/2157/2158 successfully attached
[81356.621735] dvbdev: DVB: registering new adapter (1-1.2:1.0)
[81356.621753] em28xx 1-1.2:1.0: DVB: registering adapter 1 frontend 0 (Silicon Labs Si2168)...
[81356.624109] em28xx 1-1.2:1.0: DVB extension successfully initialized
[81356.624126] em28xx: Registered (Em28xx dvb Extension) extension
[81356.643083] em28xx 1-1.2:1.0: Registering input extension
[81356.698579] si2168 5-0064: Direct firmware load for dvb-demod-si2168-b40-01.fw failed with error -2
[81356.698594] si2168 5-0064: Falling back to syfs fallback for: dvb-demod-si2168-b40-01.fw
[81356.702163] si2168 5-0064: Direct firmware load for dvb-demod-si2168-02.fw failed with error -2
[81356.702176] si2168 5-0064: Falling back to syfs fallback for: dvb-demod-si2168-02.fw
[81356.706845] Registered IR keymap rc-hauppauge
[81356.707962] rc rc1: 1-1.2:1.0 IR as /devices/platform/soc@1c00000/1c14000.usb/usb1/1-1/1-1.2/1-1.2:1.0/rc/rc1
[81356.708215] input: 1-1.2:1.0 IR as /devices/platform/soc@1c00000/1c14000.usb/usb1/1-1/1-1.2/1-1.2:1.0/rc/rc1/input2
[81356.709062] rc rc1: lirc_dev: driver em28xx registered at minor = 1, scancode receiver, no transmitter
[81356.709078] em28xx 1-1.2:1.0: Input extension successfully initialized
[81356.709090] em28xx 1-1.2:1.0: Remote control support is not available for this card.
[81356.709096] em28xx: Registered (Em28xx Input Extension) extension
[81356.727902] si2168 5-0064: firmware file 'dvb-demod-si2168-02.fw' not found
[81356.737496] si2157 8-0060: found a 'Silicon Labs Si2157-A30'
[81356.788325] si2157 8-0060: firmware version: 3.0.5
[81356.788408] em28xx 1-1.2:1.0: DVB: adapter 0 frontend 0 frequency 0 out of range (42000000..870000000)
[81356.798387] si2168 5-0064: Direct firmware load for dvb-demod-si2168-02.fw failed with error -2
[81356.798402] si2168 5-0064: Falling back to syfs fallback for: dvb-demod-si2168-02.fw
[81356.801075] si2168 5-0064: Direct firmware load for dvb-demod-si2168-02.fw failed with error -2
[81356.801090] si2168 5-0064: Falling back to syfs fallback for: dvb-demod-si2168-02.fw
[81356.804282] si2168 7-0067: Direct firmware load for dvb-demod-si2168-b40-01.fw failed with error -2
[81356.804295] si2168 7-0067: Falling back to syfs fallback for: dvb-demod-si2168-b40-01.fw
[81356.807863] si2168 5-0064: firmware file 'dvb-demod-si2168-02.fw' not found
[81356.807959] si2168 7-0067: firmware file 'dvb-demod-si2168-02.fw' not found
[81356.817534] si2157 9-0063: found a 'Silicon Labs Si2157-A30'
[81356.868701] si2157 9-0063: firmware version: 3.0.5
[81356.868791] em28xx 1-1.2:1.0: DVB: adapter 1 frontend 0 frequency 0 out of range (42000000..870000000)
[81356.882150] si2168 7-0067: Direct firmware load for dvb-demod-si2168-02.fw failed with error -2
[81356.882164] si2168 7-0067: Falling back to syfs fallback for: dvb-demod-si2168-02.fw
[81356.890301] si2168 7-0067: Direct firmware load for dvb-demod-si2168-02.fw failed with error -2
[81356.890317] si2168 7-0067: Falling back to syfs fallback for: dvb-demod-si2168-02.fw
[81356.894548] si2168 7-0067: firmware file 'dvb-demod-si2168-02.fw' not found
w_scan says this
w_scan -f c -c DE
w_scan -f c -c DE
w_scan version 20161022 (compiled for DVB API 5.10)
using settings for GERMANY
DVB cable
DVB-C
scan type CABLE, channellist 7
output format vdr-2.0
WARNING: unknown codepage 'de_DE', using default 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
main:3916: FATAL: ***** NO USEABLE CABLE CARD FOUND. *****
Please check wether dvb driver is loaded and
verify that no dvb application (i.e. vdr) is running.
I think since kernel 4.17 shout the WinTVDual is integrated!?