linux-kernel - Re: MacBook8,1 (2015) HID Hardware Support

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Message-ID: <20150919172241.GB7081@dtor-ws>
Date:	Sat, 19 Sep 2015 10:22:41 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Aleksa Sarai <cyphar@...har.com>
Cc:	Henrik Rydberg <rydberg@...math.org>, jikos@...nel.org,
	Jochen Radmacher <jradmacher@....de>,
	Yang Hongyang <burnef@...il.com>, coldnew.tw@...il.com,
	George Hilios <ghilios@...il.com>,
	Janez Urevc <janez@...ezurevc.name>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: MacBook8,1 (2015) HID Hardware Support

On Sun, Sep 20, 2015 at 03:10:16AM +1000, Aleksa Sarai wrote:
> Hello,
> 
> I've been trying to get Linux installed on a MacBook8,1 (not the pro)
> and have had trouble getting keyboard input to work, despite
> a4a2c54560f2c57b88ba0283f141b44f594c2337 ("HID: apple: Add support for
> the 2015 Macbook Pro") and d58069265c9d15c04c9e3832cd1d9dffe9d4d5f6
> ("Input: bcm5974 - add support for the 2015 Macbook Pro"). Even
> compiling it into the kernel itself or forcing hid-apple module
> loading in both initramfs and init did not help. One would assume (I
> did) it's because the hardware is different to the MacBookPro12,1.
> However, looking at the product and vendor ID:
> 
> Apple Internal Keyboard / Trackpad:
> 
> Product ID: 0x0272
> Vendor ID: 0x05ac (Apple Inc.)
> Version: 6.22
> Manufacturer: Apple Inc.
> Location ID: 0x01000000
> 
> It seems that this hardware was added to hid-apple as
> USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI in both of the above linked
> commits, so what gives? Is there some peculiarity with this hardware?
> Am I not reading the above patches correctly? I'd be happy to test any
> patches you'd like to throw at me.

IIRC these models use SPI instead of USB for the keyboard/trackpad, so
the commits you are referencing will not work for you.

I do not know if anyone is looking into getting SPI variants to work.

Thanks.

-- 
Dmitry
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