sensor: change als timestamp to CLOCK_BOOTTIME
CLOCK_BOOTTIME includes suspend time, so it would allow aplications
to get correct time difference between two events even when system
resumes from suspend state.
Change-Id: I6986506105aaa4220ccca49738d089b630648317
Tracked-On: https://jira.ndg.intel.com/browse/MARVIN-893
Signed-off-by: Baixing Tan <[email protected]>
Reviewed-on: https://android.intel.com/422142
Reviewed-by: jenkins_ndg <[email protected]>
Reviewed-by: Yan, Like <[email protected]>
Tested-by: Yan, Like <[email protected]>
Reviewed-by: Akue, LoicX <[email protected]>
Reviewed-by: Tasayco Loarte, VictorX <[email protected]>
diff --git a/als/SensorBase.cpp b/als/SensorBase.cpp
index d8cfc43..5617e92 100644
--- a/als/SensorBase.cpp
+++ b/als/SensorBase.cpp
@@ -35,10 +35,18 @@
data_fd(-1)
{
FUNC_LOG;
+ int ret;
+ unsigned int clockId;
ALOGV("%s(): dev_name=%s, data_name=%s ", __func__, dev_name, data_name);
if (data_name) {
data_fd = openInput(data_name);
+ if (data_fd >= 0) {
+ clockId = CLOCK_BOOTTIME;
+ ret = ioctl(data_fd, EVIOCSCLOCKID, &clockId);
+ if (ret != 0)
+ ALOGE("set timestamp to CLOCK_BOOTTIME failed!");
+ }
}
}
