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| author | Gwendal Grignou <gwendal@chromium.org> | 2015-07-01 12:35:21 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-07-09 06:01:00 +0000 |
| commit | fc17034c5240298954619f820b554e060c580b3b (patch) | |
| tree | 873a26ce6068fbdd4d85af0f460561227a82783d /include/accelgyro.h | |
| parent | 52ff2e4c8d7e7e10088461980d6b381647874d4d (diff) | |
| download | chrome-ec-fc17034c5240298954619f820b554e060c580b3b.tar.gz | |
motion: Add commands for calibration
Move calibration in the EC to returns raw value with offset already
applied, as recommended by iio interface.
BRANCH=smaug
TEST=On Samus, with kernel change CL:283103
Check raw value are returned properly.
BUG=chromium:506101
Change-Id: I3dcb4f2fcfff35639e3bfdcc6c1468bdb5e53c45
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/283161
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Diffstat (limited to 'include/accelgyro.h')
| -rw-r--r-- | include/accelgyro.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/accelgyro.h b/include/accelgyro.h index 5ac486c660..723efa569c 100644 --- a/include/accelgyro.h +++ b/include/accelgyro.h @@ -77,6 +77,20 @@ struct accelgyro_drv { int (*get_data_rate)(const struct motion_sensor_t *s, int *rate); + + /** + * Setter and getter methods for the sensor offset. + * @s Pointer to sensor data. + * @offset: offset to apply to raw data. + * @temp: temperature when calibration was done. + * @return EC_SUCCESS if successful, non-zero if error. + */ + int (*set_offset)(const struct motion_sensor_t *s, + const int16_t *offset, + int16_t temp); + int (*get_offset)(const struct motion_sensor_t *s, + int16_t *offset, + int16_t *temp); #ifdef CONFIG_ACCEL_INTERRUPTS /** * Setup a one-time accel interrupt. If the threshold is low enough, the |