linux-kernel - Re: [PATCH 1/1] Input/Joystick Driver: add support AD7142 joystick driver (v2)

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Date:	Fri, 18 Apr 2008 13:15:58 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Bryan Wu <cooloney@...nel.org>
Cc:	khali@...ux-fr.org, andre@...wigglers.org,
	linux-input@...r.kernel.org, i2c@...sensors.org,
	linux-kernel@...r.kernel.org, vapier.adi@...il.com,
	Michael Hennerich <michael.hennerich@...log.com>
Subject: Re: [PATCH 1/1] Input/Joystick Driver: add support AD7142 joystick
	driver (v2)

Hi Bryan,

On Thu, Mar 27, 2008 at 11:38:30AM -0700, Bryan Wu wrote:
> +	input->keybit[BIT_WORD(BTN_BASE)] = BIT_MASK(BTN_BASE) |
> +						BIT_MASK(BTN_BASE2) |
> +						BIT_MASK(BTN_BASE3) |
> +						BIT_MASK(BTN_BASE4);
> +	input->keybit[BIT_WORD(KEY_UP)] |=  BIT_MASK(KEY_UP) |
> +						BIT_MASK(KEY_DOWN) |
> +						BIT_MASK(KEY_LEFT) |
> +						BIT_MASK(KEY_RIGHT);
> +

Why don't you use REL_X/REL_Y to report directional movement? Using
buttons for that is pretty unusual.

-- 
Dmitry
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