Linux Kernel  3.7.1
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pca954x.h
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1 /*
2  *
3  * pca954x.h - I2C multiplexer/switch support
4  *
5  * Copyright (c) 2008-2009 Rodolfo Giometti <[email protected]>
6  * Copyright (c) 2008-2009 Eurotech S.p.A. <[email protected]>
7  * Michael Lawnick <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  */
23 
24 
25 #ifndef _LINUX_I2C_PCA954X_H
26 #define _LINUX_I2C_PCA954X_H
27 
28 /* Platform data for the PCA954x I2C multiplexers */
29 
30 /* Per channel initialisation data:
31  * @adap_id: bus number for the adapter. 0 = don't care
32  * @deselect_on_exit: set this entry to 1, if your H/W needs deselection
33  * of this channel after transaction.
34  *
35  */
37  int adap_id;
38  unsigned int deselect_on_exit:1;
39  unsigned int class;
40 };
41 
42 /* Per mux/switch data, used with i2c_register_board_info */
45  int num_modes;
46 };
47 
48 #endif /* _LINUX_I2C_PCA954X_H */