Re: [PATCHv2] [media] drxk: Switch the delivery system on FE_SET_PROPERTY

Mauro Carvalho Chehab
2011-12-09T22:04:25Z

On 09-12-2011 18:04, Eddi De Pieri wrote:
> Hi,
>
>> v2: Use mfe_shared
>
> on hvr930c this patch solve the commutation issue of frontend.

Ok, good. One issue solved.

> still persist same issue like Fredrik on w_scan. scan still works perfectly...
>
>
> root@depieri1lnx:~# w_scan -f t -c IT
> w_scan version 20110616 (compiled for DVB API 5.3)
> using settings for ITALY
> DVB aerial
> DVB-T Europe
> frontend_type DVB-T, channellist 4
> output format vdr-1.6
> output charset 'UTF-8', use -C<charset> to override
> Info: using DVB adapter auto detection.
> /dev/dvb/adapter0/frontend0 -> DVB-C "DRXK DVB-C": specified was
> DVB-T -> SEARCH NEXT ONE.
> /dev/dvb/adapter0/frontend1 -> DVB-T "DRXK DVB-T": good :-)
> Using DVB-T frontend (adapter /dev/dvb/adapter0/frontend1)
> -_-_-_-_ Getting frontend capabilities-_-_-_-_
> Using DVB API 5.4
> frontend 'DRXK DVB-T' supports
> INVERSION_AUTO
> QAM_AUTO
> TRANSMISSION_MODE_AUTO
> GUARD_INTERVAL_AUTO
> HIERARCHY_AUTO
> FEC_AUTO
> FREQ (47.12MHz ... 865.00MHz)
> -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
> Scanning 7MHz frequencies...
> [...]
> 858000: (time: 03:10) (time: 03:13)
>
> ERROR: Sorry - i couldn't get any working frequency/transponder
> Nothing to scan!!
>
>
> this verbose mode seems interesting but I don't figure out why i get timeout.
>
> 177500: (time: 00:04) set_frontend: using DVB API 5.4
> (time: 00:06) set_frontend: using DVB API 5.4
> signal ok:
> QAM_AUTO f = 177500 kHz I999B7C999D999T999G999Y999
> NIT (actual TS)
> new transponder:
> (QAM_64 f = 1600000 kHz I999B8C34D0T8G16Y0)
>
>
> Info: NIT(other) filter timeout

Try to use w_scan with "-F" parameter, to increase the timeout. Maybe this
issue is due to a smaller timeout on w_scan, when compared with scan.

If this doesn't help, then you'll need to figure out what w_scan is doing
different than scan.

Regards,
Mauro.

> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html