Christian et al, I am an engineer at Hauppauge. This repo is the staging area for all the patches I am testing, with the intention of getting them upstreamed. I will be inaccessible for the next 18 days however, so I will not be able to put any effort until I get back. Cheers, Brad On 2017-05-27 10:38, Christian Steiner wrote: > Hello, > > I have found patches that add support for the second tuner: > https://github.com/b-rad-NDi/Ubuntu-media-tree-kernel-builder/tree/master/patches/ubuntu-zesty-4.10.0/extra > > I can confirm that they also work with the latest kernel (4.12.0-rc2). > Would it be possible to integrate these patches into mainline? > Applying 0006-Hauppauge-WinTV-DualHD-DVB-ATSC-second-tuner-support.patch > is sufficient for the second tuner to appear, but I guess we should > include all patches. > > Best regards, > Christian > > > On 11.04.2016 11:14, Olli Salonen wrote: >> Hi Christian, >> >> Thanks for reporting back your experience. Certainly there's a chance >> of supporting the second tuner too. There are still two issues that I >> have not solved: >> >> 1. I haven't gotten the 2nd tuner working yet (alone, without the >> first tuner), even if I think all the pieces of the puzzle are there. >> 2. em28xx driver is built with one tuner in mind and needs significant >> structural changes. If there's anyone very familiar with the em28xx >> driver here, I'd be happy to hear your idea of what is entailed for >> this. >> >> Cheers, >> -olli >> >> On 10 April 2016 at 18:23, Christian Steiner >> <christian.steiner@xxxxxxxxxx> wrote: >>> On 04.04.2016 17:12, Olli Salonen wrote: >>>> Hauppauge WinTV-dualHD is a USB 2.0 dual DVB-T/T2/C tuner with >>>> following components: >>>> >>>> USB bridge: Empia EM28274 (chip id is the same as EM28174) >>>> Demodulator: 2x Silicon Labs Si2168-B40 >>>> Tuner: 2x Silicon Labs Si2157-A30 >>>> >>>> This patch adds support only for the first tuner. >>>> >>>> [...] >>> Thank you very much! >>> Works fine for me: >>> >>>> [ 419.413188] em28xx: New device HCW dualHD @ 480 Mbps (2040:0265, interface 0, class 0) >>>> [ 419.413195] em28xx: DVB interface 0 found: isoc >>>> [ 419.413265] em28xx: chip ID is em28174 >>>> [ 420.529619] em28174 #0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x7addc1c8 >>>> [ 420.529626] em28174 #0: EEPROM info: >>>> [ 420.529630] em28174 #0: microcode start address = 0x0004, boot configuration = 0x01 >>>> [ 420.536077] em28174 #0: AC97 audio (5 sample rates) >>>> [ 420.536084] em28174 #0: 500mA max power >>>> [ 420.536089] em28174 #0: Table at offset 0x27, strings=0x0e6a, 0x1888, 0x087e >>>> [ 420.536188] em28174 #0: Identified as Hauppauge WinTV-dualHD DVB (card=98) >>>> [ 420.537974] tveeprom 8-0050: Hauppauge model 204109, rev B2I6, serial# 11XXXXXX >>>> [ 420.537981] tveeprom 8-0050: tuner model is SiLabs Si2157 (idx 186, type 4) >>>> [ 420.537986] tveeprom 8-0050: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc) >>>> [ 420.537989] tveeprom 8-0050: audio processor is None (idx 0) >>>> [ 420.537993] tveeprom 8-0050: has no radio, has IR receiver, has no IR transmitter >>>> [ 420.537997] em28174 #0: dvb set to isoc mode. >>>> [ 420.538056] usbcore: registered new interface driver em28xx >>>> [ 420.541087] em28174 #0: Binding DVB extension >>>> [ 420.544008] i2c i2c-8: Added multiplexed i2c bus 9 >>>> [ 420.544016] si2168 8-0064: Silicon Labs Si2168 successfully attached >>>> [ 420.548372] si2157 9-0060: Silicon Labs Si2147/2148/2157/2158 successfully attached >>>> [ 420.548389] DVB: registering new adapter (em28174 #0) >>>> [ 420.548396] usb 2-2: DVB: registering adapter 0 frontend 0 (Silicon Labs Si2168)... >>>> [ 420.549737] em28174 #0: DVB extension successfully initialized >>>> [ 420.549743] em28xx: Registered (Em28xx dvb Extension) extension >>>> [ 435.418798] si2168 8-0064: found a 'Silicon Labs Si2168-B40' >>>> [ 435.418823] si2168 8-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw' >>>> [ 435.617181] si2168 8-0064: firmware version: 4.0.11 >>>> [ 435.619791] si2157 9-0060: found a 'Silicon Labs Si2157-A30' >>>> [ 435.642006] si2157 9-0060: firmware version: 3.0.5 >>> (I have replaced the last digits of the serial number with X) >>> >>> Is there any chance to add support for the second tuner, too? >>> This would be awesome. >>> >>> Best, >>> Christian >>>
