diff options
Diffstat (limited to 'drivers/iio/adc/ltc2497.h')
-rw-r--r-- | drivers/iio/adc/ltc2497.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/iio/adc/ltc2497.h b/drivers/iio/adc/ltc2497.h new file mode 100644 index 0000000000..781519b524 --- /dev/null +++ b/drivers/iio/adc/ltc2497.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#define LTC2497_ENABLE 0xA0 +#define LTC2497_CONFIG_DEFAULT LTC2497_ENABLE +#define LTC2497_CONVERSION_TIME_MS 150ULL + +struct ltc2497_chip_info { + u32 resolution; + const char *name; +}; + +struct ltc2497core_driverdata { + struct regulator *ref; + ktime_t time_prev; + /* lock to protect against multiple access to the device */ + struct mutex lock; + const struct ltc2497_chip_info *chip_info; + u8 addr_prev; + int (*result_and_measure)(struct ltc2497core_driverdata *ddata, + u8 address, int *val); +}; + +int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev); +void ltc2497core_remove(struct iio_dev *indio_dev); + +MODULE_IMPORT_NS(LTC2497); |