Hello, I have investigated a little further and it looks like the af9015 is not working correctly with any linux kernels (32 or 64 bits) >= 3, although it seems to be recognised (firmware uploaded).
Any idea about how to debug the thing ? OD -------- Message transféré -------- > De: oddebian <oddeb...@gmail.com> > À: linux-media@vger.kernel.org > Objet: Problem with avermedia Volar Black HD (af9015) : recognised but > not scanning > Date: Wed, 02 Dec 2015 20:36:28 +0100 > > Hi, > > I have an old avermedia Volar Black HD (af9015) that still works > pretty well in windows 8 (it scans the whole dvb-t muxes in less than > one minute and the image is perfect even in HD). > When I try it on linux, it takes 12 minutes to scan with w_scan, and > despite showing lines such as : > updating transponder: > (QAM_64 f = 4294967 kHz I999B8C999D0T8G32Y0) 0x405A > to (QAM_64 f = 4294967 kHz I999B8C999D0T8G8Y0) 0x405A > undefined coderate HP > in the end, it says : > > tune to: QAM_AUTO f = 482000 kHz I999B8C999D999T999G999Y999 > (time: 12:13) ----------no signal---------- > tune to: QAM_AUTO f = 482000 kHz I999B8C999D999T999G999Y999 (no > signal) > (time: 12:14) ----------no signal---------- > tune to: QAM_64 f = 4294967 kHz I999B8C999D0T8G8Y0 > (time: 12:16) skipped: (freq 4294967286 unsupported by driver) > tune to: QAM_AUTO f = 482166 kHz I999B8C999D999T999G999Y999 > (time: 12:16) ----------no signal---------- > tune to: QAM_AUTO f = 482166 kHz I999B8C999D999T999G999Y999 (no > signal) > (time: 12:17) ----------no signal---------- > > ERROR: Sorry - i couldn't get any working frequency/transponder > Nothing to scan!! > > > The problem is the same on my destop pc (debian 8, kernel > 3.16.0-4-amd64) and on a Raspberry 1 (Linux osmc 4.2.3-3-osmc, or > openelec). > I tried also with tvheadend, but scan does not work either. > > The firmware is correct and installed in /lib/firmware. > Dmesg shows that the usb device is well detected, with no errors : > [ 13.846959] usb 1-5: dvb_usb_v2: found a 'AverMedia AVerTV Volar > Black HD (A850)' in cold state > [ 13.847467] usb 1-5: firmware: direct-loading firmware > dvb-usb-af9015.fw > [ 13.847474] usb 1-5: dvb_usb_v2: downloading firmware from file > 'dvb-usb-af9015.fw' > [ 13.917176] usb 1-5: dvb_usb_v2: found a 'AverMedia AVerTV Volar > Black HD (A850)' in warm state > [ 14.327175] usb 1-5: dvb_usb_v2: will pass the complete MPEG2 > transport stream to the software demuxer > [ 14.335086] usb 1-5: DVB: registering adapter 0 frontend 0 (Afatech > AF9013)... > [ 14.345704] usb 1-5: dvb_usb_v2: 'AverMedia AVerTV Volar Black HD > (A850)' successfully initialized and connected > [ 14.345795] usbcore: registered new interface driver dvb_usb_af9015 > > And lsusb : > Bus 001 Device 003: ID 07ca:850a AVerMedia Technologies, Inc. AverTV > Volar Black HD (A850) > > I must say it is very frustrating to see a device still supported in > windows 8, and working perfectly, but not working anymore in linux > despite stated as supported in > http://www.linuxtv.org/wiki/index.php/AVerTV_Volar_Black_HD_%28A850%29 > > Thanks in advance for any idea that could help ! > OD > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
