Sean, Am 15.11.2018 um 00:07 schrieb Sean Young: >> >> I turned on dynamic debug and got the following messages in the kernel log: >> >> [ 837.160992] rc rc0: get_key_fusionhdtv: ff ff ff ff >> [ 837.263927] rc rc0: ir_key_poll >> [ 837.264528] rc rc0: get_key_fusionhdtv: ff ff ff ff >> [ 837.367840] rc rc0: ir_key_poll >> [ 837.368441] rc rc0: get_key_fusionhdtv: ff ff ff ff >> >> Pressing a key on the remote did not change the pattern. I rechecked the >> connection of the IR receiver to the card but it was firmly plugged in. > > Hmm, either the IR signal is not getting to the device, or this is not > where the IR is reported. I guess also the firmware could be incorrect > or out of date. I have obtained the latest firmware from http://www.dvbsky.net/Support_linux.html si2168 6-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw' si2168 6-0064: firmware version: B 4.0.25 The firmware is now newer than before (4.0.11), but I still get no output with dynamic debugging. > > Certainly a logic analyser would help here to see if the signal is arriving, > and where it goes (e.g. directly to a gpio pin). Currently, I do not have a logic analyser at hand. > > What's the output of the lspci -vvv? Maybe it's reported via gpio and not > i2c. The output of lspci -vvv: 17:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 PCI Video and Audio Decoder (rev 04) Subsystem: Technotrend Systemtechnik GmbH TT-budget CT2-4500 CI Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 31 Region 0: Memory at fe000000 (64-bit, non-prefetchable) [size=2M] Capabilities: [40] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- SlotPowerLimit 26.000W DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <2us, L1 <4us ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- Capabilities: [80] Power Management version 2 Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [90] Vital Product Data Product Name: " End Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [100 v1] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn- Capabilities: [200 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed+ WRR32+ WRR64+ WRR128- Ctrl: ArbSelect=WRR64 Status: InProgress- Port Arbitration Table [240] <?> VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01 Status: NegoPending- InProgress- Kernel driver in use: cx23885 Kernel modules: cx23885 Regards, Martin
