any help as a good help

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  I  had been trying to work with demod board ,but i haven't been able to communicate
with the part of tuner,so anyone can advice me how to set demodulator i2c interface in
"bridge" mode.
 
Here is our platform i2c write mode.
Write mode
Start | Circuit_Address | 0 | Ack REGISTER_address| Ack | Data | Ack | Stop.
 
Example
At address 0x12 write 0XF0 IN REGISTER 0X01
Start | 0001001 | 0 | Ack | 0x01 | Ack | 0xF0| Ack | Stop.

If i2c communicate with dib7070p tuner part , What shoud i do ?
Can you give me example write 0xff in tuner register 0x01.
Thanks!

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