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29 lines
950 B
29 lines
950 B
/* |
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* i2c-core.h - interfaces internal to the I2C framework |
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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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#include <linux/rwsem.h> |
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struct i2c_devinfo { |
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struct list_head list; |
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int busnum; |
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struct i2c_board_info board_info; |
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}; |
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/* board_lock protects board_list and first_dynamic_bus_num. |
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* only i2c core components are allowed to use these symbols. |
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*/ |
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extern struct rw_semaphore __i2c_board_lock; |
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extern struct list_head __i2c_board_list; |
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extern int __i2c_first_dynamic_bus_num; |
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