linux-kernel - What is the purpose of w1 driver(/driver/w1).

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Message-ID: <90b950fc0911260125s39c86aees5b76f28af47f7a8f@mail.gmail.com>
Date:	Thu, 26 Nov 2009 18:25:38 +0900
From:	InKi Dae <daeinki@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: What is the purpose of w1 driver(/driver/w1).

I'm trying to implement backlight driver that it uses single-wired
interface based on gpio.
for this, I found single-wired interface driver in /driver/w1

is it the driver for network protocol using single-wired interface?
otherwise could it be used commonly like backlight device ?

Thank you.
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