[linux-dvb] Re: DViCO Dual : USB zl10353 tuner registers,

gma catchfire at gmail.com
Tue Jun 13 17:26:49 CEST 2006


Michael Krufky wrote:
> Hmm... It's difficult to troubleshoot this type of thing without 
> having the device in front of me...  As it stands right now, the 
> problem with the tuning seems like it could be an issue relating to 
> the tuner pll programming...  The driver is using the definition for 
> the Thomson DTT 7579.   When Chris Pascoe worked on the original 
> version of this device (mt352-based) he explained that the tuner was 
> labeled, "dee1601" , and that it seemed to be identical to the 
> dtt7579.  Perhaps your device uses a different tuner?  Could you 
> please check on this... I would need to know about any writing on the 
> "tin can"  -- you might even have to peel off the sticker in order to 
> find the right information.  I would assume that the tuner on the PCI 
> device would be the same one as on the USB device, but please confirm 
> this.  I have a feeling that the dtt7579 programming might be close, 
> but not quite exactly what is needed in order to fully support the 
> tuner in your device.  (please keep in mind that I am only guessing, 
> here)
>
> Also, about the issue where you are able to get a lock on the usb 
> part, but receive no data on the DVR device.....  I have had some 
> similar issues myself when originally working on the bluebird (cxusb) 
> driver.  Could you please post the output of "lsusb -v" ?
>
> Also, please confirm that you are using the bluebird firmware as 
> posted on linuxtv.org:
>
> http://linuxtv.org/download/firmware/dvb-usb-bluebird-01.fw
>
I am using the firmware, it does state in dmesg that the firmware is loaded.

I'll have a look around on the card in the next few days and report back.

Much appreciated.
Gary Ayre

lspci -v output:

----------boring motherboard stuff removed------------

02:01.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video 
and Audio Decoder (rev 05)
        Subsystem: DViCO Corporation Unknown device db50
        Flags: bus master, medium devsel, latency 32, IRQ 20
        Memory at eb000000 (32-bit, non-prefetchable) [size=16M]
        Capabilities: [44] Vital Product Data
        Capabilities: [4c] Power Management version 2

02:01.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and 
Audio Decoder [MPEG Port] (rev 05)
        Subsystem: DViCO Corporation Unknown device db50
        Flags: bus master, medium devsel, latency 32, IRQ 20
        Memory at ec000000 (32-bit, non-prefetchable) [size=16M]
        Capabilities: [4c] Power Management version 2

02:02.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video 
and Audio Decoder (rev 05)
        Subsystem: DViCO Corporation DVICO FusionHDTV DVB-T Plus
        Flags: bus master, medium devsel, latency 32, IRQ 22
        Memory at ed000000 (32-bit, non-prefetchable) [size=16M]
        Capabilities: [44] Vital Product Data
        Capabilities: [4c] Power Management version 2

02:02.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and 
Audio Decoder [MPEG Port] (rev 05)
        Subsystem: DViCO Corporation DVICO FusionHDTV DVB-T Plus
        Flags: bus master, medium devsel, latency 32, IRQ 22
        Memory at ee000000 (32-bit, non-prefetchable) [size=16M]
        Capabilities: [4c] Power Management version 2

--------------boring sound card stuff removed---------------



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