Try to get sample timestamp from sensor hub first, if failed
then use system timestamp.
Signed-off-by: Ye Xiang <[email protected]>
---
drivers/iio/humidity/hid-sensor-humidity.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/humidity/hid-sensor-humidity.c b/drivers/iio/humidity/hid-sensor-humidity.c
index 74383abc0d44..f7b4c76ed94f 100644
--- a/drivers/iio/humidity/hid-sensor-humidity.c
+++ b/drivers/iio/humidity/hid-sensor-humidity.c
@@ -23,6 +23,7 @@ struct hid_humidity_state {
int scale_post_decml;
int scale_precision;
int value_offset;
+ s64 timestamp;
};
static const u32 humidity_sensitivity_addresses[] = {
@@ -131,9 +132,14 @@ static int humidity_proc_event(struct hid_sensor_hub_device *hsdev,
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
struct hid_humidity_state *humid_st = iio_priv(indio_dev);
- if (atomic_read(&humid_st->common_attributes.data_ready))
+ if (atomic_read(&humid_st->common_attributes.data_ready)) {
+ if (!humid_st->timestamp)
+ humid_st->timestamp = iio_get_time_ns(indio_dev);
+
iio_push_to_buffers_with_timestamp(indio_dev, &humid_st->scan,
- iio_get_time_ns(indio_dev));
+ humid_st->timestamp);
+ humid_st->timestamp = 0;
+ }
return 0;
}
@@ -151,6 +157,10 @@ static int humidity_capture_sample(struct hid_sensor_hub_device *hsdev,
humid_st->scan.humidity_data = *(s32 *)raw_data;
return 0;
+ case HID_USAGE_SENSOR_TIME_TIMESTAMP:
+ humid_st->timestamp = hid_sensor_convert_timestamp(&humid_st->common_attributes,
+ *(s64 *)raw_data);
+ return 0;
default:
return -EINVAL;
}
--
2.17.1