diff options
Diffstat (limited to 'include/linux/iio/common/cros_ec_sensors_core.h')
| -rw-r--r-- | include/linux/iio/common/cros_ec_sensors_core.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h index 0c636b9fe8d7..bb331e6356a9 100644 --- a/include/linux/iio/common/cros_ec_sensors_core.h +++ b/include/linux/iio/common/cros_ec_sensors_core.h @@ -10,7 +10,8 @@ #include <linux/iio/iio.h> #include <linux/irqreturn.h> -#include <linux/mfd/cros_ec.h> +#include <linux/platform_data/cros_ec_commands.h> +#include <linux/platform_data/cros_ec_proto.h> enum { CROS_EC_SENSOR_X, @@ -62,14 +63,20 @@ struct cros_ec_sensors_core_state { enum motionsensor_type type; enum motionsensor_location loc; - s16 calib[CROS_EC_SENSOR_MAX_AXIS]; - + struct calib_data { + s16 offset; + u16 scale; + } calib[CROS_EC_SENSOR_MAX_AXIS]; + s8 sign[CROS_EC_SENSOR_MAX_AXIS]; u8 samples[CROS_EC_SAMPLE_SIZE]; int (*read_ec_sensors_data)(struct iio_dev *indio_dev, unsigned long scan_mask, s16 *data); int curr_sampl_freq; + + /* Table of known available frequencies : 0, Min and Max in mHz */ + int frequencies[3]; }; /** @@ -151,6 +158,24 @@ int cros_ec_sensors_core_read(struct cros_ec_sensors_core_state *st, int *val, int *val2, long mask); /** + * cros_ec_sensors_core_read_avail() - get available values + * @indio_dev: pointer to state information for device + * @chan: channel specification structure table + * @vals: list of available values + * @type: type of data returned + * @length: number of data returned in the array + * @mask: specifies which values to be requested + * + * Return: an error code, IIO_AVAIL_RANGE or IIO_AVAIL_LIST + */ +int cros_ec_sensors_core_read_avail(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + const int **vals, + int *type, + int *length, + long mask); + +/** * cros_ec_sensors_core_write() - function to write a value to the sensor * @st: pointer to state information for device * @chan: channel specification structure table |