linux-kernel - Re: [PATCH 3/4] hid-multitouch: migrate 3M PCT touch screens to the unified driver.

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Date:	Wed, 9 Mar 2011 09:46:45 +0100
From:	"Henrik Rydberg" <rydberg@...omail.se>
To:	Benjamin Tissoires <benjamin.tissoires@...c.fr>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Stephane Chatty <chatty@...-enac.fr>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] hid-multitouch: migrate 3M PCT touch screens to the
 unified driver.

Hi Benjamin,

On Tue, Mar 08, 2011 at 05:32:58PM +0100, Benjamin Tissoires wrote:
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...c.fr>
> ---

Semms this patch is missing a commit message.

[...]
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index e7a4f83..f32bf46 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -5,6 +5,11 @@
>   *  Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@...il.com>
>   *  Copyright (c) 2010-2011 Ecole Nationale de l'Aviation Civile, France
>   *
> + *  based on hid-3m-pct.c copyrighted as follows:
> + *    Copyright (c) 2009-2010 Stephane Chatty <chatty@...c.fr>
> + *    Copyright (c) 2010      Henrik Rydberg <rydberg@...omail.se>
> + *    Copyright (c) 2010      Canonical, Ltd.
> + *
>   */
>  
>  /*
> @@ -74,6 +79,7 @@ struct mt_class {
>  #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER	3
>  #define MT_CLS_CYPRESS				4
>  #define MT_CLS_STANTUM				5
> +#define MT_CLS_3M				6
>  
>  /*
>   * these device-dependent functions determine what slot corresponds
> @@ -124,6 +130,11 @@ struct mt_class mt_classes[] = {
>  		.maxcontacts = 10 },
>  	{ .name = MT_CLS_STANTUM,
>  		.quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
> +	{ .name = MT_CLS_3M,
> +		.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
> +			MT_QUIRK_SLOT_IS_CONTACTID,
> +		.sn_move = 2048,
> +		.sn_pressure = 128 },
>  
>  	{ }
>  };
> @@ -479,6 +490,14 @@ static void mt_remove(struct hid_device *hdev)
>  
>  static const struct hid_device_id mt_devices[] = {
>  
> +	/* 3M panels */
> +	{ .driver_data = MT_CLS_3M,
> +		HID_USB_DEVICE(USB_VENDOR_ID_3M,
> +			USB_DEVICE_ID_3M1968) },
> +	{ .driver_data = MT_CLS_3M,
> +		HID_USB_DEVICE(USB_VENDOR_ID_3M,
> +			USB_DEVICE_ID_3M2256) },
> +
>  	/* Cypress panel */
>  	{ .driver_data = MT_CLS_CYPRESS,
>  		HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,

The touch width correction from the original driver has gone missing
here. Otherwise, looks good, but will defer testing to the next round.

Cheers,
Henrik
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