No DVB device created, what is your dmesg output?

[Sean-Der]

Thank you so much for documenting all this. I am so excited to get TV working on Jellyfin, will allow me to cancel another service :)

I believe I did everything correctly, but no dvb device gets created

[8224333.870315] usb 1-2: new high-speed USB device number 4 using xhci_hcd
[8224334.013181] em28xx 1-2:1.0: New device HCW 955D @ 480 Mbps (2040:826d, interface 0, class 0)
[8224334.022816] em28xx 1-2:1.0: DVB interface 0 found: bulk
[8224334.079106] em28xx 1-2:1.0: chip ID is em28174
[8224334.738170] em28xx 1-2:1.0: reading from i2c device at 0xa0 failed (error=-5)
[8224334.746346] em28xx 1-2:1.0: board has no eeprom
[8224334.801918] em28xx 1-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[8224334.811354] em28xx 1-2:1.0: dvb set to bulk mode.
[8224334.868210] em28xx 1-2:1.0: unknown em28xx chip ID (113)
[8224334.925592] em28xx 1-2:1.0: reading from i2c device at 0xa0 failed (error=-5)
[8224334.933768] em28xx 1-2:1.0: board has no eeprom
[8224334.989883] em28xx 1-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[8224334.999303] em28xx 1-2:1.0: dvb ts2 set to bulk mode.
[8224335.205250] em28xx 1-2:1.0: Binding DVB extension
[8224335.211233] usb 1-2: USB disconnect, device number 4
[8224335.217057] em28xx 1-2:1.0: Disconnecting em28xx #1
[8224335.222702] em28xx 1-2:1.0: Disconnecting em28xx
[8224335.229583] em28xx 1-2:1.0: Binding DVB extension
[8224335.237432] em28xx 1-2:1.0: Freeing device
[8224335.242203] em28xx 1-2:1.0: Freeing device
[8224336.431827] usb 1-2: new high-speed USB device number 5 using xhci_hcd
[8224336.574816] em28xx 1-2:1.0: New device HCW 955D @ 480 Mbps (2040:826d, interface 0, class 0)
[8224336.584437] em28xx 1-2:1.0: DVB interface 0 found: bulk
[8224336.641874] em28xx 1-2:1.0: chip ID is em28174
[8224337.763185] em28xx 1-2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x6199064e
[8224337.771366] em28xx 1-2:1.0: EEPROM info:
[8224337.775946] em28xx 1-2:1.0: 	microcode start address = 0x0004, boot configuration = 0x01
[8224337.792670] em28xx 1-2:1.0: 	AC97 audio (5 sample rates)
[8224337.798816] em28xx 1-2:1.0: 	500mA max power
[8224337.803787] em28xx 1-2:1.0: 	Table at offset 0x27, strings=0x0a72, 0x187c, 0x086a
[8224337.863573] em28xx 1-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[8224337.874188] tveeprom: Hauppauge model 204201, rev C2I6, serial# 14452264
[8224337.881874] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[8224337.889168] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[8224337.900833] tveeprom: audio processor is None (idx 0)
[8224337.906703] tveeprom: has no radio, has IR receiver, has no IR transmitter
[8224337.914577] em28xx 1-2:1.0: dvb set to bulk mode.
[8224337.970640] em28xx 1-2:1.0: chip ID is em28174
[8224339.093539] em28xx 1-2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x6199064e
[8224339.101725] em28xx 1-2:1.0: EEPROM info:
[8224339.106302] em28xx 1-2:1.0: 	microcode start address = 0x0004, boot configuration = 0x01
[8224339.122108] em28xx 1-2:1.0: 	AC97 audio (5 sample rates)
[8224339.128247] em28xx 1-2:1.0: 	500mA max power
[8224339.133209] em28xx 1-2:1.0: 	Table at offset 0x27, strings=0x0a72, 0x187c, 0x086a
[8224339.192339] em28xx 1-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[8224339.202928] tveeprom: Hauppauge model 204201, rev C2I6, serial# 14452264
[8224339.210609] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[8224339.217901] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[8224339.229558] tveeprom: audio processor is None (idx 0)
[8224339.235386] tveeprom: has no radio, has IR receiver, has no IR transmitter
[8224339.243260] em28xx 1-2:1.0: dvb ts2 set to bulk mode.
[8224339.449453] em28xx 1-2:1.0: Binding DVB extension
[8224339.456523] em28xx 1-2:1.0: Binding DVB extension

[Sean-Der]

sean@Synology:~$ sudo ./insert_modules.sh 
	mc.ko                         Loaded
	rc-core.ko                    Loaded
	videobuf-core.ko              Loaded
	videodev.ko                   Loaded
	videobuf2-common.ko           Loaded
	videobuf2-v4l2.ko             Loaded
	videobuf2-memops.ko           Loaded
	videobuf2-vmalloc.ko          Loaded
	dvb-core.ko                   Loaded
	dvb-usb.ko                    Loaded
	videobuf2-dvb.ko              Loaded
	dvb-pll.ko                    Loaded
	tveeprom.ko                   Loaded
	si2168.ko                     Loaded
	em28xx.ko                     Loaded
	em28xx-dvb.ko                 Loaded
	si2157.ko                     Loaded

sean@Synology:~$ ls /usr/lib/firmware/
dvb-demod-si2168-d60-01.fw  dvb_driver_si2157_rom50.fw  i915

[Sean-Der]

After a reboot, no behavior difference

[  267.461170] usbcore: registered new interface driver em28xx
[  267.525749] em28xx: Registered (Em28xx dvb Extension) extension
[  289.514868] usb 1-2: new high-speed USB device number 3 using xhci_hcd
[  289.660027] em28xx 1-2:1.0: New device HCW 955D @ 480 Mbps (2040:826d, interface 0, class 0)
[  289.669487] em28xx 1-2:1.0: DVB interface 0 found: bulk
[  289.725880] em28xx 1-2:1.0: chip ID is em28174
[  290.846773] em28xx 1-2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x6199064e
[  290.854751] em28xx 1-2:1.0: EEPROM info:
[  290.859148] em28xx 1-2:1.0: 	microcode start address = 0x0004, boot configuration = 0x01
[  290.874454] em28xx 1-2:1.0: 	AC97 audio (5 sample rates)
[  290.880410] em28xx 1-2:1.0: 	500mA max power
[  290.885194] em28xx 1-2:1.0: 	Table at offset 0x27, strings=0x0a72, 0x187c, 0x086a
[  290.944616] em28xx 1-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[  290.954883] tveeprom: Hauppauge model 204201, rev C2I6, serial# 14452264
[  290.962395] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[  290.969515] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[  290.980997] tveeprom: audio processor is None (idx 0)
[  290.986646] tveeprom: has no radio, has IR receiver, has no IR transmitter
[  290.994340] em28xx 1-2:1.0: dvb set to bulk mode.
[  291.053659] em28xx 1-2:1.0: chip ID is em28174
[  292.174496] em28xx 1-2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x6199064e
[  292.182485] em28xx 1-2:1.0: EEPROM info:
[  292.186886] em28xx 1-2:1.0: 	microcode start address = 0x0004, boot configuration = 0x01
[  292.202722] em28xx 1-2:1.0: 	AC97 audio (5 sample rates)
[  292.208688] em28xx 1-2:1.0: 	500mA max power
[  292.213472] em28xx 1-2:1.0: 	Table at offset 0x27, strings=0x0a72, 0x187c, 0x086a
[  292.273396] em28xx 1-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[  292.283741] tveeprom: Hauppauge model 204201, rev C2I6, serial# 14452264
[  292.291245] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[  292.298360] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[  292.309836] tveeprom: audio processor is None (idx 0)
[  292.315482] tveeprom: has no radio, has IR receiver, has no IR transmitter
[  292.323183] em28xx 1-2:1.0: dvb ts2 set to bulk mode.
[  292.529830] em28xx 1-2:1.0: Binding DVB extension
[  292.544955] em28xx 1-2:1.0: Binding DVB extension

[Sean-Der]

|__1-2 2040:826d:0100 00 2.00 480MBit/s 500mA 1IF (HCW 955D 0014452264)

[Sean-Der]

cat /sys/kernel/debug/usb/devices

T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  4 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=2040 ProdID=826d Rev= 1.00
S:  Manufacturer=HCW
S:  Product=955D
S:  SerialNumber=0014452264
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=em28xx
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:  If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=em28xx
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

[Sean-Der]

On 6.12.30

[   86.642849] usb 3-2: new high-speed USB device number 2 using xhci_hcd
[   91.962177] usb 3-2: new high-speed USB device number 3 using xhci_hcd
[   92.086179] usb 3-2: New USB device found, idVendor=2040, idProduct=826d, bcdDevice= 1.00
[   92.086187] usb 3-2: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[   92.086189] usb 3-2: Product: 955D
[   92.086190] usb 3-2: Manufacturer: HCW
[   92.086191] usb 3-2: SerialNumber: 0014452264
[   92.668820] em28xx 3-2:1.0: New device HCW 955D @ 480 Mbps (2040:826d, interface 0, class 0)
[   92.668828] em28xx 3-2:1.0: DVB interface 0 found: bulk
[   92.719212] em28xx 3-2:1.0: chip ID is em28174
[   93.858272] em28xx 3-2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x6199064e
[   93.858279] em28xx 3-2:1.0: EEPROM info:
[   93.858281] em28xx 3-2:1.0: 	microcode start address = 0x0004, boot configuration = 0x01
[   93.865576] em28xx 3-2:1.0: 	AC97 audio (5 sample rates)
[   93.865588] em28xx 3-2:1.0: 	500mA max power
[   93.865592] em28xx 3-2:1.0: 	Table at offset 0x27, strings=0x0a72, 0x187c, 0x086a
[   93.916959] em28xx 3-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[   93.918616] tveeprom: Hauppauge model 204201, rev C2I6, serial# 14452264
[   93.918622] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[   93.918623] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[   93.918625] tveeprom: audio processor is None (idx 0)
[   93.918626] tveeprom: has no radio, has IR receiver, has no IR transmitter
[   93.918629] em28xx 3-2:1.0: dvb set to bulk mode.
[   93.969035] em28xx 3-2:1.0: chip ID is em28174
[   95.105855] em28xx 3-2:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x6199064e
[   95.105863] em28xx 3-2:1.0: EEPROM info:
[   95.105864] em28xx 3-2:1.0: 	microcode start address = 0x0004, boot configuration = 0x01
[   95.112799] em28xx 3-2:1.0: 	AC97 audio (5 sample rates)
[   95.112805] em28xx 3-2:1.0: 	500mA max power
[   95.112806] em28xx 3-2:1.0: 	Table at offset 0x27, strings=0x0a72, 0x187c, 0x086a
[   95.163854] em28xx 3-2:1.0: Identified as Hauppauge WinTV-dualHD 01595 ATSC/QAM (card=100)
[   95.165485] tveeprom: Hauppauge model 204201, rev C2I6, serial# 14452264
[   95.165490] tveeprom: tuner model is SiLabs Si2157 (idx 186, type 4)
[   95.165492] tveeprom: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc)
[   95.165493] tveeprom: audio processor is None (idx 0)
[   95.165495] tveeprom: has no radio, has IR receiver, has no IR transmitter
[   95.165498] em28xx 3-2:1.0: dvb ts2 set to bulk mode.
[   95.365830] usbcore: registered new interface driver em28xx
[   95.384982] em28xx 3-2:1.0: Binding DVB extension
[   95.393291] i2c i2c-11: Added multiplexed i2c bus 14
[   95.393296] lgdt3306a 11-0059: LG Electronics LGDT3306A successfully identified
[   95.398290] si2157 14-0060: Silicon Labs Si2157 successfully attached
[   95.398308] dvbdev: DVB: registering new adapter (3-2:1.0)
[   95.398311] em28xx 3-2:1.0: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3306A VSB/QAM Frontend)...
[   95.398316] dvbdev: dvb_create_media_entity: media entity 'LG Electronics LGDT3306A VSB/QAM Frontend' registered.
[   95.398862] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   95.400048] em28xx 3-2:1.0: DVB extension successfully initialized
[   95.400052] em28xx 3-2:1.0: Binding DVB extension
[   95.404300] i2c i2c-13: Added multiplexed i2c bus 15
[   95.404304] lgdt3306a 13-000e: LG Electronics LGDT3306A successfully identified
[   95.406523] si2157 15-0062: Silicon Labs Si2157 successfully attached
[   95.406546] dvbdev: DVB: registering new adapter (3-2:1.0)
[   95.406550] em28xx 3-2:1.0: DVB: registering adapter 1 frontend 0 (LG Electronics LGDT3306A VSB/QAM Frontend)...
[   95.406557] dvbdev: dvb_create_media_entity: media entity 'LG Electronics LGDT3306A VSB/QAM Frontend' registered.
[   95.407051] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   95.408166] em28xx 3-2:1.0: DVB extension successfully initialized
[   95.408170] em28xx: Registered (Em28xx dvb Extension) extension
[   95.412078] em28xx 3-2:1.0: Registering input extension
[   95.447722] Registered IR keymap rc-hauppauge
[   95.448199] rc rc0: Hauppauge WinTV-dualHD 01595 ATSC/QAM as /devices/pci0000:00/0000:00:1c.1/0000:02:00.0/usb3/3-2/3-2:1.0/rc/rc0
[   95.448297] rc rc0: lirc_dev: driver em28xx registered at minor = 0, scancode receiver, no transmitter
[   95.448342] input: Hauppauge WinTV-dualHD 01595 ATSC/QAM as /devices/pci0000:00/0000:00:1c.1/0000:02:00.0/usb3/3-2/3-2:1.0/rc/rc0/input17
[   95.448411] em28xx 3-2:1.0: Input extension successfully initialized
[   95.448415] em28xx 3-2:1.0: Remote control support is not available for this card.
[   95.448418] em28xx: Registered (Em28xx Input Extension) extension

[Sean-Der]

Got it! lgdt3306a.ko was missing

@belgio99 does that make sense, should I send a PR to update instructions?