linux-kernel - Apple Keyboard (SPI) Driver

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Message-ID: <CAOviyajWFvgZqsGXDAoHZN4kWWhKqbL+j-bdGtRXz_xdhmuwmQ@mail.gmail.com>
Date:	Wed, 23 Sep 2015 14:41:04 +1000
From:	Aleksa Sarai <cyphar@...har.com>
To:	jikos@...nel.org
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Aleksa Sarai <cyphar@...har.com>
Subject: Apple Keyboard (SPI) Driver

AFAICS, nobody is working on writing a driver for the MacBook8,1
keyboard (which uses SPI as opposed to USB). Oddly, the vendor ID and
product ID are the same as the USB counterpart. Would it be possible
to port the logic of the hid-apple driver to SPI, or are the two
serial protocols too different to make this a worthwhile activity? In
either case, is there some information on how the hid-apple driver was
written (was the logic from the open source apple driver adapted, or
were they written from scratch?) and if a similar technique could be
applied to creating an SPI driver?

Cheers.

-- 
Aleksa Sarai (cyphar)
www.cyphar.com
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