diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2020-05-26 21:35:17 -0700 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-06-14 11:49:41 +0100 |
| commit | e7e3b9d23f3bc6774cce585ef4fcb02462e04065 (patch) | |
| tree | 4c3279b9dcd7fa1c8009f2f8df4ad748db14d625 /include/linux/iio | |
| parent | 79846e33aac15f1a1451bcf424b7a1cc22440a88 (diff) | |
iio: cros_ec: Reapply range at resume
EC does not currently preserve range across sensor reinit.
If sensor is powered down at suspend, it will default to the EC default
range at resume, not the range set by the host.
Save range if modified, and apply at resume.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'include/linux/iio')
| -rw-r--r-- | include/linux/iio/common/cros_ec_sensors_core.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h index 7bc961defa87..caa8bb279a34 100644 --- a/include/linux/iio/common/cros_ec_sensors_core.h +++ b/include/linux/iio/common/cros_ec_sensors_core.h @@ -42,6 +42,10 @@ typedef irqreturn_t (*cros_ec_sensors_capture_t)(int irq, void *p); * @resp: motion sensor response structure * @type: type of motion sensor * @loc: location where the motion sensor is placed + * @range_updated: True if the range of the sensor has been + * updated. + * @curr_range: If updated, the current range value. + * It will be reapplied at every resume. * @calib: calibration parameters. Note that trigger * captured data will always provide the calibrated * data @@ -65,6 +69,9 @@ struct cros_ec_sensors_core_state { enum motionsensor_type type; enum motionsensor_location loc; + bool range_updated; + int curr_range; + struct calib_data { s16 offset; u16 scale; @@ -114,7 +121,9 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st, struct iio_chan_spec const *chan, int val, int val2, long mask); -/* List of extended channel specification for all sensors */ +extern const struct dev_pm_ops cros_ec_sensors_pm_ops; + +/* List of extended channel specification for all sensors. */ extern const struct iio_chan_spec_ext_info cros_ec_sensors_ext_info[]; extern const struct attribute *cros_ec_sensor_fifo_attributes[]; |