From: David Brownell <david-b@pacbell.net>
Date: Thu, 12 Apr 2007 06:28:42 +0000 (-0700)
Subject: [PATCH] doc: gpio.txt describes open-drain emulation
X-Git-Tag: v2.6.21-rc7~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1668be71ccae5a9610fc8a224bd80fbe852f93ae;p=pandora-kernel.git

[PATCH] doc: gpio.txt describes open-drain emulation

Update the GPIO docs to describe the idiom whereby open drain signals are
emulated by toggling the GPIO direction.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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