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); 27