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/include/linux/i2c/pca954x.h

https://github.com/airy09/android_kernel_sony_apq8064
C Header | 47 lines | 11 code | 6 blank | 30 comment | 0 complexity | e07609212393c251541588ee231989b4 MD5 | raw file
 1/*
 2 *
 3 * pca954x.h - I2C multiplexer/switch support
 4 *
 5 * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it>
 6 * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it>
 7 * Michael Lawnick <michael.lawnick.ext@nsn.com>
 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 */
36struct pca954x_platform_mode {
37	int		adap_id;
38	unsigned int	deselect_on_exit:1;
39};
40
41/* Per mux/switch data, used with i2c_register_board_info */
42struct pca954x_platform_data {
43	struct pca954x_platform_mode *modes;
44	int num_modes;
45};
46
47#endif /* _LINUX_I2C_PCA954X_H */