From 6b7adef0ef38f568099eab38d6865f402c92235b Mon Sep 17 00:00:00 2001 From: Jamie Gennis Date: Mon, 30 Apr 2012 12:57:11 -0700 Subject: hwcomposer: clarify vsync timestamp meaning This change clarifies the meaning of the HWC vsync timestamp to specify that the timestamp must be relative to the system monotonic clock. Change-Id: I4386ce90511fd5b8f8e988917da637d84d86f026 --- include/hardware/hwcomposer.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/hardware/hwcomposer.h') diff --git a/include/hardware/hwcomposer.h b/include/hardware/hwcomposer.h index 61ee736..cb8ac9b 100644 --- a/include/hardware/hwcomposer.h +++ b/include/hardware/hwcomposer.h @@ -322,8 +322,8 @@ typedef struct hwc_procs { * received and HWC_EVENT_VSYNC is enabled (see: hwc_event_control). * * the "zero" parameter must always be 0. - * the "timestamp" parameter is the timestamp in nanosecond of when the - * vsync event happened. + * the "timestamp" parameter is the system monotonic clock timestamp in + * nanosecond of when the vsync event happened. * * vsync() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL. * -- cgit v1.1