[Linux-parport] Read Device ID of a parallel device

[Tim Waugh]

On Thu, 2011-07-28 at 14:41 +0530, Nagesh A wrote:
> Currently my driver at device side, supports compatibility mode and
> nibble mode, and 
> working fine with data transfers in both directions.

To fetch the Device ID, the host sets bit 2 of the extensibility request
value byte during negotiation (i.e. the byte placed on the data bits
when nSelectIn/nAutoFd are toggled).

Is your device watching for that?

Tim.
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