Ok, Doron Cohen solved the problem in 5 seconds. There are 2 mode for DVB-T, we need to force mode 4 instead of mode 0. Thanks to Roberto for trying to solve the problem and to Olli for the e-mail of Doron Cohen. Regards Francesco 2015-02-03 11:57 GMT+01:00 Olli Salonen <olli.salonen@xxxxxx>: > Well, if you suspect that some other change broke the driver, then you > can try an older kernel (the support was introduced in kernel 3.10) or > an older media_tree to see if that's indeed the case. > > The firmware is just one small piece of the puzzle. Maybe you can just > replace the firmware or maybe you need to write a lot of code or even > both. All this is next to impossible to say without having a very > strictly defined and pinpointed issue or alternatively the actual > device to play around with. So far it seems you're the only one with > that device here, so it would help a lot if you can narrow the scope > down by saying: "it worked fine in kernel xyz, but commit abc seems to > break the support for the device" or "it seems it has never worked for > DVB-T". > > Cheers, > -olli > > > > On 3 February 2015 at 11:42, Francesco Other <francesco.other@xxxxxxxxx> wrote: >> Maybe when Doron Cohen wrote the patch the device worked fine but now, >> after that someone change the code for their own enjoyment, it >> doesn't. >> >> If you read my question you will find that the device has signal lock >> but no data stream. There isn't need to write a code from scratch >> because I have the working firmware that kernel asks for. >> >> I don't know what the problem is, I'm an aerospace engineer not a >> software engineer. >> >> Best Regards >> >> Francesco >> >> >> 2015-02-03 9:06 GMT+01:00 Olli Salonen <olli.salonen@xxxxxx>: >>> Hi Francesco, >>> >>> You need to understand that many people write code for their own >>> enjoyment. In other words, they often write code to scratch an itch. >>> Thus it can sometimes happen that there really is no-one here who >>> could help you. The person who wrote the code originally might have >>> stopped contributing and is more interested in gardening or >>> kiteboarding these days. Maybe no-one here just has heard of the >>> device you're talking about or owns one. >>> >>> Anyway, I did some digging for you. The support for your device was >>> originally added based on this patch >>> https://patchwork.linuxtv.org/patch/7881/ submitted by Doron Cohen >>> <doronc@xxxxxxxxxxxx>. It seems he's working for the Siano company >>> itself. Have you tried contacting them already? >>> >>> Cheers, >>> -olli >>> >>> On 2 February 2015 at 15:10, Francesco Other <francesco.other@xxxxxxxxx> wrote: >>>> Is it possible that the problem I explained here isn't interesting for anyone? >>>> >>>> The device is supported by kernel but obviously there is a bug with DVB-T. >>>> >>>> I have the working firmware (on Windows) for DVB-T if you need it. >>>> >>>> http://www.spinics.net/lists/linux-media/msg85505.html >>>> >>>> http://www.spinics.net/lists/linux-media/msg85478.html >>>> >>>> http://www.spinics.net/lists/linux-media/msg85432.html >>>> >>>> Regards >>>> >>>> Francesco >>>> -- >>>> 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 -- 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