Edit File: i2c-mux.h
/* * * i2c-mux.h - functions for the i2c-bus mux support * * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> * Michael Lawnick <michael.lawnick.ext@nsn.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA. */ #ifndef _LINUX_I2C_MUX_H #define _LINUX_I2C_MUX_H #ifdef __KERNEL__ /* * Called to create a i2c bus on a multiplexed bus segment. * The mux_dev and chan_id parameters are passed to the select * and deselect callback functions to perform hardware-specific * mux control. */ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, struct device *mux_dev, void *mux_priv, u32 force_nr, u32 chan_id, unsigned int class, int (*select) (struct i2c_adapter *, void *mux_dev, u32 chan_id), int (*deselect) (struct i2c_adapter *, void *mux_dev, u32 chan_id)); void i2c_del_mux_adapter(struct i2c_adapter *adap); #endif /* __KERNEL__ */ #endif /* _LINUX_I2C_MUX_H */