forked from mirrors/linux
		
	- pass IRQ to driver and have it initialize - finish waiting early if interrupt fires Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Marek Belisko <marek@goldelico.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
		
			
				
	
	
		
			84 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2012  Bosch Sensortec GmbH
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 * Copyright (c) 2012  Unixphere AB
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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 as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/err.h>
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#include "bmp085.h"
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#define BMP085_I2C_ADDRESS	0x77
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static const unsigned short normal_i2c[] = { BMP085_I2C_ADDRESS,
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							I2C_CLIENT_END };
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static int bmp085_i2c_detect(struct i2c_client *client,
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			     struct i2c_board_info *info)
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{
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	if (client->addr != BMP085_I2C_ADDRESS)
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		return -ENODEV;
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	return bmp085_detect(&client->dev);
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}
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static int bmp085_i2c_probe(struct i2c_client *client,
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				      const struct i2c_device_id *id)
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{
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	int err;
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	struct regmap *regmap = devm_regmap_init_i2c(client,
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						     &bmp085_regmap_config);
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	if (IS_ERR(regmap)) {
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		err = PTR_ERR(regmap);
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		dev_err(&client->dev, "Failed to init regmap: %d\n", err);
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		return err;
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	}
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	return bmp085_probe(&client->dev, regmap, client->irq);
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}
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static int bmp085_i2c_remove(struct i2c_client *client)
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{
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	return bmp085_remove(&client->dev);
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}
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static const struct i2c_device_id bmp085_id[] = {
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	{ BMP085_NAME, 0 },
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	{ "bmp180", 0 },
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	{ }
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};
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MODULE_DEVICE_TABLE(i2c, bmp085_id);
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static struct i2c_driver bmp085_i2c_driver = {
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	.driver = {
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		.owner	= THIS_MODULE,
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		.name	= BMP085_NAME,
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	},
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	.id_table	= bmp085_id,
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	.probe		= bmp085_i2c_probe,
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	.remove		= bmp085_i2c_remove,
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	.detect		= bmp085_i2c_detect,
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	.address_list	= normal_i2c
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};
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module_i2c_driver(bmp085_i2c_driver);
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MODULE_AUTHOR("Eric Andersson <eric.andersson@unixphere.com>");
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MODULE_DESCRIPTION("BMP085 I2C bus driver");
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MODULE_LICENSE("GPL");
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