target/linux/goldfish/patches-2.6.30/0088-Input-Use-monotonic-time-for-event-time-stamps.patch

   1 From 474db0e1425f8da03a7d49ebba1602efa503c73f Mon Sep 17 00:00:00 2001
   2 From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
   3 Date: Fri, 17 Oct 2008 15:28:08 -0700
   4 Subject: [PATCH 088/134] Input: Use monotonic time for event time stamps.
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=utf-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Since wall time can jump backwards, it cannot be used to determine if one
  10 event occured before another or for how long a key was pressed.
  11
  12 Signed-off-by: Arve Hjønnevåg <arve@android.com>
  13 ---
  14  drivers/input/evdev.c |    5 ++++-
  15  1 files changed, 4 insertions(+), 1 deletions(-)
  16
  17 --- a/drivers/input/evdev.c
  18 +++ b/drivers/input/evdev.c
  19 @@ -74,8 +74,11 @@ static void evdev_event(struct input_han
  20         struct evdev *evdev = handle->private;
  21         struct evdev_client *client;
  22         struct input_event event;
  23 +       struct timespec ts;
  24
  25 -       do_gettimeofday(&event.time);
  26 +       ktime_get_ts(&ts);
  27 +       event.time.tv_sec = ts.tv_sec;
  28 +       event.time.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
  29         event.type = type;
  30         event.code = code;
  31         event.value = value;