drivers/iio/adc/ltc2497.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #define LTC2497_ENABLE                  0xA0
   4 #define LTC2497_CONFIG_DEFAULT          LTC2497_ENABLE
   5 #define LTC2497_CONVERSION_TIME_MS      150ULL
   6
   7 struct ltc2497_chip_info {
   8         u32 resolution;
   9         const char *name;
  10 };
  11
  12 struct ltc2497core_driverdata {
  13         struct regulator *ref;
  14         ktime_t time_prev;
  15         /* lock to protect against multiple access to the device */
  16         struct mutex lock;
  17         const struct ltc2497_chip_info  *chip_info;
  18         u8 addr_prev;
  19         int (*result_and_measure)(struct ltc2497core_driverdata *ddata,
  20                                   u8 address, int *val);
  21 };
  22
  23 int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev);
  24 void ltc2497core_remove(struct iio_dev *indio_dev);
  25
  26 MODULE_IMPORT_NS(LTC2497);