forked from Minki/linux
staging: iio: ak8975: add platform data.
As some of the platform not support irq_to_gpio, we pass gpio port by platform data. Signed-off-by: Tony SIM <chinyeow.sim.xt@renesas.com> Signed-off-by: Andrew Chew <achew@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -29,6 +29,7 @@
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/input/ak8975.h>
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#include "../iio.h"
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#include "magnet.h"
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@ -435,6 +436,7 @@ static int ak8975_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct ak8975_data *data;
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struct ak8975_platform_data *pdata;
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int err;
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/* Allocate our device context. */
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@ -452,7 +454,11 @@ static int ak8975_probe(struct i2c_client *client,
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/* Grab and set up the supplied GPIO. */
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data->eoc_irq = client->irq;
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data->eoc_gpio = irq_to_gpio(client->irq);
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pdata = client->dev.platform_data;
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if (pdata)
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data->eoc_gpio = pdata->gpio;
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else
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data->eoc_gpio = irq_to_gpio(client->irq);
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if (!data->eoc_gpio) {
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dev_err(&client->dev, "failed, no valid GPIO\n");
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20
include/linux/input/ak8975.h
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20
include/linux/input/ak8975.h
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@ -0,0 +1,20 @@
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/*
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* ak8975 platform support
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*
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* Copyright (C) 2010 Renesas Solutions Corp.
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*
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* Author: Tony SIM <chinyeow.sim.xt@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _AK8975_H
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#define _AK8975_H
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struct ak8975_platform_data {
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int gpio;
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};
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#endif
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