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Thread: DigitalNow TinyUsb dvb tuner (vp7045) Ubuntu 12.04

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  1. #1
    Join Date
    Jul 2008
    Gippsland, Australia
    Ubuntu 10.04 Lucid Lynx

    DigitalNow TinyUsb dvb tuner (vp7045) Ubuntu 12.04

    I have a tinyusb (from lsusb, Bus 002 Device 004: ID 13d3:3206 IMC Networks DNTV Live! Tiny USB2 BDA (No Remote). dmesg output follows
    [   99.748978] usb 2-1: new high-speed USB device number 3 using ehci_hcd
    [   99.881261] dvb-usb: found a 'DigitalNow TinyUSB 2 DVB-t Receiver' in cold state, will try to load a firmware
    [   99.906937] dvb-usb: downloading firmware from file 'dvb-usb-vp7045-01.fw'
    [   99.971786] usb 2-1: USB disconnect, device number 3
    [   99.971817] dvb-usb: generic DVB-USB module successfully deinitialized and disconnected.
    [  101.721792] usb 2-1: new high-speed USB device number 4 using ehci_hcd
    [  101.855290] dvb-usb: found a 'Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)' in warm state.
    [  102.009032] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
    [  102.009283] DVB: registering new adapter (Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II))
    [  102.080810] dvb-usb: MAC address: 08:ca:1a:c7:b7:ff
    [  102.092720] DVB: registering adapter 0 frontend 0 (Twinhan VP7045/46 USB DVB-T)...
    [  102.092956] input: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:1d.7/usb2/2-1/input/input16
    [  102.093045] dvb-usb: schedule remote query interval to 400 msecs.
    [  102.248157] dvb-usb: Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II) successfully initialized and connected.
    The tinyusb is a very sensitive tuner and it works well, and is supported in most distros. However.when the tuner is receiving a tv signal it keeps on sending tab keystrokes to the computer (it has an ir receiver in it which emulates a keyboard, I found out what keystroke it was sending with xev). This makes other apps behave strangely. This happens using gnome-dvb-client, as well as kaffeine, and does not happen with either of these programs in Ubuntu 10.04 or Linux Mint 10. It also happens in Lubuntu 12.04, Solus OS 1 (debian squeeze based, 3.0 kernel), and Linux Mint 13. This tuner is recognized properly when plugged in and tunes tv as expected. I have googled all over the place with no luck.

    Edit: I compared the firmware from Mint 10 (which works properly) and Ubuntu 12.04 (which does not) as follows:
    michael@VgBoxSda6Ubuntu12:/media/sda9/Docs$ cmp Ubuntu1204_dvb-usb-vp7045-01.fw Mint10_dvb-usb-vp7045-01.fw 
    Both firmwares are the same, so the OS is presumably getting the same output from the usb port. but it must handle it differently now.
    Last edited by michaelAust; June 6th, 2012 at 12:14 AM. Reason: supplied more info


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