On 06/20/2013 08:14 AM, P. van Gaans wrote:
Hi all, (device: http://linuxtv.org/wiki/index.php/MSI_DigiVox_Trio) Thanks to the message from Philip Pemberton I was able to try loading the em28xx driver myself using: sudo modprobe em28xx card=NUMBER echo eb1a 2885 | sudo tee /sys/bus/usb/drivers/em28xx/new_id Here are the results for NUMBER: Card=79 (Terratec Cinergy H5): works, less corruption than card=87, just some blocks every few seconds. Attenuators didn't help. Card=81 (Hauppauge WinTV HVR 930C): doesn't work, no /dev/dvb adapter Card=82 (Terratec Cinergy HTC Stick): similar to card=87 Card=85 (PCTV QuatroStick (510e)): constantly producing i2c read errors, doesn't work Card=86 (PCTV QuatroStick nano (520e): same Card=87 (Terratec Cinergy HTC USB XS): stick works and scans channels, but reception is bugged with corruption. It's like having a DVB-T antenna that's just not good enough, except this is DVB-C and my signal is excellent. Attenuators didn't help. Card=88 (C3 Tech Digital Duo HDTV/SDTV USB): doesn't work, no /dev/dvb adapter So with card=79 it's really close to working. What else can I do?
Take USB sniffs, generate code, copy & paste that to the driver until it starts working. After it start working start reducing generated code. That way with trial and error you will find out problematic register(s) very quickly.
There is suitable scripts to generate em28xx drx-k code from the sniffs, maybe in dvb-utils package. Mauro has done that script. I used it when I added PCTV 520e support (problem was bug in DRX-K GPIO code).
regards Antti -- http://palosaari.fi/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html