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

Soeren Moch Soeren.Moch at stud.uni-hannover.de
Thu Jun 7 12:11:17 CEST 2007


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).

S:oren




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