[linux-dvb] bus control

Andreas Oberritter obi at linuxtv.org
Mon Jul 23 01:57:01 CEST 2007


Hi Manu,

Manu Abraham wrote:
> * register independant virtual buses for each device, on device
> access, the relevant control word is appended to the BIU device
> register.

this solution is easy to implement and does not require the frontend
driver to know about its underlying bus.

Just protect your master_xfer function with a mutex, grab it, configure
the bus control unit, transfer the message and release the mutex before
returning.

Regards,
Andreas



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