linux-kernel - Re: [PATCH 1/1] x86: Surface Pro 3 Type Cover 3

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Date:	Mon, 3 Nov 2014 14:30:39 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Alan Wu <alan.c.wu@...il.com>
cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] x86: Surface Pro 3 Type Cover 3

On Fri, 31 Oct 2014, Alan Wu wrote:

> From: alanwu <alan.c.wu@...il.com>
> 
> Surface Pro 3 Type Cover that works with Ubuntu (and possibly Arch) from this thread. Both trackpad and keyboard work after compiling my own kernel.
> http://ubuntuforums.org/showthread.php?t=2231207&page=2&s=44910e0c56047e4f93dfd9fea58121ef
> 
> Signed-off-by: alanwu <alan.c.wu@...il.com>

Hi Alan,

thanks for the patch.

For driver binding to work reliably and correctly, you also need to add 
the device to hid_have_special_driver[] array in drivers/hid/hid-core.c.

Could you please fix that up and resend the patch?

> ---
>  drivers/hid/hid-ids.h       | 1 +
>  drivers/hid/hid-microsoft.c | 2 ++
>  2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index e23ab8b..15f32c2 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -648,6 +648,7 @@
>  #define USB_DEVICE_ID_MS_SURFACE_PRO_2   0x0799
>  #define USB_DEVICE_ID_MS_TOUCH_COVER_2   0x07a7
>  #define USB_DEVICE_ID_MS_TYPE_COVER_2    0x07a9
> +#define USB_DEVICE_ID_MS_TYPE_COVER_3    0x07dc
> 
>  #define USB_VENDOR_ID_MOJO		0x8282
>  #define USB_DEVICE_ID_RETRO_ADAPTER	0x3201
> diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
> index 8ba17a9..cacda43 100644
> --- a/drivers/hid/hid-microsoft.c
> +++ b/drivers/hid/hid-microsoft.c
> @@ -274,6 +274,8 @@ static const struct hid_device_id ms_devices[] = {
> 		.driver_data = MS_NOGET },
> 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
> 		.driver_data = MS_DUPLICATE_USAGES },
> +	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3),
> +		.driver_data = MS_HIDINPUT },
> 
> 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
> 		.driver_data = MS_PRESENTER },
> --
> 2.1.0
> 

-- 
Jiri Kosina
SUSE Labs
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