Add wake lock utility functions for the GPS HAL.
Change-Id: Ia7e20dec1a658f5506004ed29632f6a720c77fab
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/include/hardware/gps.h b/include/hardware/gps.h
index 11223fb..750e6ef 100644
--- a/include/hardware/gps.h
+++ b/include/hardware/gps.h
@@ -263,12 +263,23 @@
/** Callback for reporting NMEA sentences. */
typedef void (* gps_nmea_callback)(GpsUtcTime timestamp, const char* nmea, int length);
+/** Callback utility for acquiring the GPS wakelock.
+ This can be used to prevent the CPU from suspending while handling GPS events. */
+typedef void (* gps_acquire_wakelock)();
+
+/** Callback utility for releasing the GPS wakelock. */
+typedef void (* gps_release_wakelock)();
+
/** GPS callback structure. */
typedef struct {
- gps_location_callback location_cb;
- gps_status_callback status_cb;
- gps_sv_status_callback sv_status_cb;
- gps_nmea_callback nmea_cb;
+ /** set to sizeof(GpsCallbacks) */
+ size_t size;
+ gps_location_callback location_cb;
+ gps_status_callback status_cb;
+ gps_sv_status_callback sv_status_cb;
+ gps_nmea_callback nmea_cb;
+ gps_acquire_wakelock acquire_wakelock_cb;
+ gps_release_wakelock release_wakelock_cb;
} GpsCallbacks;