Dominique Dumont wrote: > Manu Abraham <manu@xxxxxxxxxxx> writes: > >>* The MCU uses one H/W based i2c communication with the frontend and >>F/W driven i2c at MCU level which interfaces to the Fusion 878.. >> >>When we use such a device in conjunction with a CI module, the MCU >>spends most of it's time when communicating to the CI module, So the >>probability of i2c error happening here is much higher.. > > And what is the MCU doing besides polling the CI module something like > 10 times per second ? Getting FE_INFO, if signal fails, tries to retune ..Besides it simply doesn't poll .. There are quite some things that the firmware does .. Also it has a TS parser in firmware, newer cards have Power management etc etc .. Manu