include/linux/i2c/si570.h

   1 /*
   2  * si570.h - Configuration for si570 misc driver.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation (version 2 of the License only).
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __LINUX_SI570_H
  15 #define __LINUX_SI570_H
  16
  17 #include <linux/types.h>
  18 #include <linux/device.h>
  19 #include <linux/i2c.h>
  20
  21 struct si570_platform_data {
  22         u64 factory_fout;               /* Factory default output frequency */
  23         unsigned long initial_fout;     /* Requested initial frequency */
  24 };
  25
  26 int get_frequency_si570(struct device *dev, unsigned long *freq);
  27 int set_frequency_si570(struct device *dev, unsigned long freq);
  28 int reset_si570(struct device *dev, int id);
  29 struct i2c_client *get_i2c_client_si570(void);
  30
  31 #endif /* __LINUX_SI570_H */