linux-kernel - Re: [PATCH 22/51] Input: atmel_mxt_ts

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Message-ID: <20130707052934.GB15453@core.coreip.homeip.net>
Date:	Sat, 6 Jul 2013 22:29:34 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Nick Dyer <nick.dyer@...ev.co.uk>
Cc:	Daniel Kurtz <djkurtz@...omium.org>,
	Henrik Rydberg <rydberg@...omail.se>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Alan Bowens <Alan.Bowens@...el.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Meerwald <pmeerw@...erw.net>,
	Benson Leung <bleung@...omium.org>,
	Olof Johansson <olofj@...omium.org>
Subject: Re: [PATCH 22/51] Input: atmel_mxt_ts - Add shutdown function

Hi Nick,

On Thu, Jun 27, 2013 at 01:48:57PM +0100, Nick Dyer wrote:
> Signed-off-by: Nick Dyer <nick.dyer@...ev.co.uk>
> Acked-by: Benson Leung <bleung@...omium.org>

Why is this needed?

Thanks.

> ---
>  drivers/input/touchscreen/atmel_mxt_ts.c |    8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index ee1e866..76f1c20 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -1897,6 +1897,13 @@ static int mxt_resume(struct device *dev)
>  
>  static SIMPLE_DEV_PM_OPS(mxt_pm_ops, mxt_suspend, mxt_resume);
>  
> +static void mxt_shutdown(struct i2c_client *client)
> +{
> +	struct mxt_data *data = i2c_get_clientdata(client);
> +
> +	disable_irq(data->irq);
> +}
> +
>  static const struct i2c_device_id mxt_id[] = {
>  	{ "qt602240_ts", 0 },
>  	{ "atmel_mxt_ts", 0 },
> @@ -1914,6 +1921,7 @@ static struct i2c_driver mxt_driver = {
>  	},
>  	.probe		= mxt_probe,
>  	.remove		= mxt_remove,
> +	.shutdown	= mxt_shutdown,
>  	.id_table	= mxt_id,
>  };
>  
> -- 
> 1.7.10.4
> 

-- 
Dmitry
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