linux-kernel - Re: [PATCH] Add support for HTC Shift Touchscreen

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Message-ID: <20080520014937.GA23247@anvil.corenet.prv>
Date:	Mon, 19 May 2008 21:49:37 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Pau Oliva Fora <pau@...ack.org>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org
Subject: Re: [PATCH] Add support for HTC Shift Touchscreen

On Tue, May 20, 2008 at 01:08:44AM +0200, Pau Oliva Fora wrote:
> +
> +static int htcpen_open(struct input_dev *dev)
> +{
> +	outb_p(DEVICE_ENABLE, HTCPEN_PORT_INIT);
> +	return 0;
> +}
> +
> +static void htcpen_close(struct input_dev *dev)
> +{
> +	free_irq(HTCPEN_IRQ, dev);
> +}
> +

No, this will not work.. next time you open the device you won't have
IRQ anymore. You need the opposite of outb_p(DEVICE_ENABLE,
HTCPEN_PORT_INIT); here.


-- 
Dmitry
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