[linux-dvb] dib0700 problems (nova-T usb stick)

Torgeir Veimo torgeir at pobox.com
Thu Jun 7 12:35:53 CEST 2007


On 7 Jun 2007, at 11:11, Soeren Moch wrote:

> Torgeir Veimo wrote:
>>> As I can see the dib0700 USB bridge in this stick deactivates the
>>> I2C controller during data streaming, so all I2C accesses to mt2060
>>> (tuner) and dib7000pc (dvb-t demodulator) fail. Therefore you get
>>> "I2C read fails" messages from mt2060 and uninitialized (random)  
>>> data
>>> for the frontend (dib7000pc) status.
>>> Unfortunately there seems to be no independent I2C gate control
>>> call in the dib0700 firmware...
>>
>> Is the i2c control reenabled inbetween data packets?
>>
> As I wrote earlier I2C is disabled after a call to
> dib0700_streaming_ctrl(adap, 1); (enable video streaming) until we  
> call
> dib0700_streaming_ctrl(adap, 0); (disable video streaming).

So while streaming from one tuner, is i2c control of the other tuner  
disabled?

-- 
Torgeir Veimo
torgeir at pobox.com






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