linux-kernel - SDIO functions?

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Message-ID: <3634de740609050306y38ff56a4t2700e044e11a439f@mail.gmail.com>
Date:	Tue, 5 Sep 2006 15:36:27 +0530
From:	Maximus <john.maximus@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: SDIO functions?

Hi,
    Just going through the sdio specs and ossman's patch.

   What are these functions and thier numbers in CMD 53

   Does that mean an SDIO Card can support upto 8 different functions?.

   An sdio card can be used as a wlan and camera (if it supports 2
functions wlan and camera).

  Is it like that?. Because i have not come across a card which
supports more than one function.

  What does "function" mean - does that mean some kind of firmware
inside the card or some kind electronics.

  I dont understand.

Thanks and Regards,
Jo
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