[linux-dvb] Dposh DVB-T USB2.0(ULi M9207) initialising OK but no response from scan
crope at iki.fi
Wed Jul 2 15:05:27 CEST 2008
Andrew Websdale wrote:
> 2008/7/2 Antti Palosaari <crope at iki.fi <mailto:crope at iki.fi>>:
> terve Andrew,
> Andrew Websdale wrote:
> Hi All,
> I've been trying to amend the M920x driver to cope with the
> MT2060 tuner. My dmesg output looks encouraging :
> usb 5-1: new high speed USB device using ehci_hcd and address 5
> usb 5-1: configuration #1 chosen from 1 choice
> Probing for m920x device at interface 0
> dvb-usb: found a 'Dposh(mt2060 tuner) DVB-T USB2.0' in warm state.
> dvb-usb: will pass the complete MPEG2 transport stream to the
> software demuxer.
> DVB: registering new adapter (Dposh(mt2060 tuner) DVB-T USB2.0)
> DVB: registering frontend 0 (Zarlink MT352 DVB-T)...
> MT2060: successfully identified (IF1 = 1220)
> dvb-usb: Dposh(mt2060 tuner) DVB-T USB2.0 successfully
> initialized and connected.
> but scanning produces no result. I thought it might be the
> firmware so I used USBSnoop ( ver 2.0 from here
> , I think its slightly easier to use than the original) and
> extracted a new firmware file (attached) . The firmware loaded
> without complaint, but still no scan result. I'm a bit stuck
> now, anyone got any suggestions as to how I should proceed?
> I have following list to check:
> 1) firmware (you tested this one already)
> 2) demodulator (it is MT352 I think, but configuration / settings
> could be wrong)
> 3) wrong endpoint used for mpeg ts
> I can help if you take sniffs with usbsnoop, but hopefully you will
> find error yourself.
> 1)Sorry, forgot to attach firmware I made from usbsnoop(here it is)
> 2)The front end is MT352 - which configs/settings may need tweaking?
static int m920x_mt352_demod_init(struct dvb_frontend *fe)
Probably you need examine windows sniffs to see correct values.
> 3)Whereabouts is the mpeg ts endpoint defined/set?
struct dvb_usb_device_properties. You can see endpoints using lsusb
command. And from usbsniffs from Windows you can see also endpoints.
> I'll have another go with usbsnoop later & post the log if I don't get
> regards Andrew
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