| 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; |
| 32 | |
