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Date: Mon, 13 Oct 2008 15:40:00 +0200
From: "Leon Woestenberg" <leon.woestenberg@gmail.com>
To: "Bill Gatliff" <bgat@billgatliff.com>
Subject: Re: Floating inputs on unused GPIO pins
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Hello Laurent,

On Mon, Oct 13, 2008 at 3:12 PM, Bill Gatliff <bgat@billgatliff.com> wrote:
> At least until someone plugs in that expansion module!
>
Bill's remark made a neuron connection in my head:

Can you detect if the module is inserted or not? (By reading a known
state of some pin)?

You could then configure the pins dynamically in your driver.

Regards,
-- 
Leon