On Tue, 07 Aug 2007 15:46:36 +0100
David Vrabel <[email protected]> wrote:
>
> Is there an example driver for a host that uses pin 1/DAT3 sensing for
> card detection? I'm curious about how removal detections work.
>
Both wbsd and sdhci have experienced hardware with this. In sdhci this
is hidden completely in hardware, but wbsd has to do some funky logic
to handle the problem.
> App Note on card detection goes into the use of this resistor in more
> detail but I don't believe this document is publicly available :(.
>
SD is a wonderful world. :/
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
PulseAudio, core developer http://pulseaudio.org
rdesktop, core developer http://www.rdesktop.org
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