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1 | /* |
2 | * Generic I2C API implementation for PowerPC. |
3 | * |
4 | * Copyright (c) 2008 Jochen Friedrich <jochen@scram.de> |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | */ |
11 | |
12 | #ifndef __LINUX_OF_I2C_H |
13 | #define __LINUX_OF_I2C_H |
14 | |
15 | #if defined(CONFIG_OF_I2C) || defined(CONFIG_OF_I2C_MODULE) |
16 | #include <linux/i2c.h> |
17 | |
18 | extern void of_i2c_register_devices(struct i2c_adapter *adap); |
19 | |
20 | /* must call put_device() when done with returned i2c_client device */ |
21 | extern struct i2c_client *of_find_i2c_device_by_node(struct device_node *node); |
22 | |
23 | /* must call put_device() when done with returned i2c_adapter device */ |
24 | extern struct i2c_adapter *of_find_i2c_adapter_by_node( |
25 | struct device_node *node); |
26 | |
27 | #else |
28 | static inline void of_i2c_register_devices(struct i2c_adapter *adap) |
29 | { |
30 | return; |
31 | } |
32 | |
33 | static inline struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) |
34 | { |
35 | return NULL; |
36 | } |
37 | |
38 | /* must call put_device() when done with returned i2c_adapter device */ |
39 | static inline struct i2c_adapter *of_find_i2c_adapter_by_node( |
40 | struct device_node *node) |
41 | { |
42 | return NULL; |
43 | } |
44 | #endif /* CONFIG_OF_I2C */ |
45 | |
46 | #endif /* __LINUX_OF_I2C_H */ |
47 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
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v3.9