Re: em28xx based USB Hybrid (Analog & DVB-T) TV Tuner not supported

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On Sat, Nov 7, 2009 at 7:35 AM, Magnus Alm <magnus.alm@xxxxxxxxx> wrote:
> Hi
>
> I read some where that trying different card types for a DVB tuner can
> potentially cause damage to them.
>
> You are probably right about the firmare.
> Do you have a link to the manufacture of your stick?
> I tried to google the name of it but couldn't found an exact match.
>
> The EM2881_BOARD_PINNACLE_HYBRID_PRO uses it's XC3028 to getter with a
> ZARLINK456
> as you can see from the following line in em28xx-cards.c
>
> case EM2881_BOARD_PINNACLE_HYBRID_PRO:
>                ctl->demod = XC3028_FE_ZARLINK456;
>                break;
>
> It is probably not compliant with your  Zarlink MT352.
>
> There is a mt352 module tho, but I guess it doesn't get loaded when
> you plug your stick in.
>
> I'll pooke around a bit.....
>
> PS
> Use the "reply all", so others can see your mails, since I'm probably
> one of the least competent guys/gals on this mailing list.
> DS
>
>
>
> 2009/11/7 Johan Mutsaerts <johmut@xxxxxxxxx>:
>> Hi Magnus,
>>
>> Thanks for a quick reply. Here is some more detailed information:
>>
>> My USB device ID is 0xeb1a:0x2881 it is eMPIA based.
>>
>> These are the components inside
>> - Empia EM2880
>> - Texas Instruments 5150AM1
>> - XCeive XC3028
>> - Empia EMP202
>> - Zarlink MT352
>>
>> Difficult for me to get to the windows stuff....
>>
>> No /dev/dvb/.... is generated ? Could it have something to do with no Firmware ?
>>
>> I found my device to be quite similar to the Pinnacle Hybrid Pro so I tried
>> sudo rmmod em28xx-dvb
>> sudo rmmod em28xx-alsa
>> sudo rmmod em28xx
>> sudo modprobe em28xx card=53 and card=56
>> sudo modprobe em28xx-alsa
>> sudo modprobe em28xx-dvb
>> However with not much success.
>> Card=53 cased MeTV to see a tuner but no channels could be found....
>>
>> TIA for any assistance you can provide.
>>
>> Best Regards,
>> Johan
>>
>> 2009/11/7 Magnus Alm <magnus.alm@xxxxxxxxx>:
>>> Hi!
>>>
>>> The dmesg didn't reveal what tuner your stick/card has, it's probably
>>> a XC2028/XC3028 or something like that.
>>> Easiest way to find out would be if you could open the cover and have
>>> a look inside.
>>>
>>> If you have access to windows and the pvr program that came with the
>>> tuner you could do a usb-sniff.
>>>
>>> http://www.pcausa.com/Utilities/UsbSnoop/
>>> or
>>> http://benoit.papillault.free.fr/usbsnoop/
>>>
>>> Switch between different inputs while doing the log, like "dvb",
>>> "analog" and if it has "svideo"/"composite" input.
>>>
>>> copy the windows log to unix and parse the output with parser.pl (I've
>>> added is as an attachment.)
>>> I think there is a new parser somewhere, but I forgot the name of it.
>>>
>>> I'm also not sure how I used it, but I think it was like this: perl
>>> parser.pl < "your_windows_log" > "parsed_log"
>>> That log is needed to  find out what "gpio" your tuner needs for
>>> different settings.
>>>
>>> Don't be scared of the size of the windows log, it gets large, often a
>>> few hundred MB.
>>> The parsed log is much smaller,  a few hundred KB.
>>>
>>> That is all I can think about atm.
>>>
>>> /Magnus Alm
>>>
>>>
>>> 2009/11/6 Johan Mutsaerts <johmut@xxxxxxxxx>:
>>>> Hi,
>>>>
>>>> I have an iDream UTVHYL2 USB TV Tuner (with IR remote control) that I
>>>> cannot get to work with Ubuntu (9.04, 2.6.28-16). I have successfully
>>>> compiled and installed the em28xx-new driver from linuxtv.org. No
>>>> /dev/dvb/adapter... is created and that is where it ends for me know.
>>>> MyTV claims no adapter is detected.
>>>>
>>>> I have attached the output of lsusb and dmesg as requested...
>>>>
>>>> Please let me know what more I can do and what exactly it is you can do ?
>>>>
>>>> Thanks in advance and
>>>> Best Regards,
>>>> Johan (Belgium)

I'm away from Internet access so I can't write an extended answer, but
I can tell you that XC3028_FE_ZARLINK456 is appropriate for both the
zarlink zl10353 and m352.

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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