diff options
| author | Wei-Han Chen <stimim@google.com> | 2018-07-06 15:33:25 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-08-31 11:19:46 -0700 |
| commit | b9841cfcdf7404c868ea9967217cf750820b9491 (patch) | |
| tree | 61b73835164699c6bc44eb00c11f0bf2f9697537 /driver/touchpad_st.c | |
| parent | 9bb5117aa350e21f6c15257d7d7a464af4b6d08c (diff) | |
| download | chrome-ec-b9841cfcdf7404c868ea9967217cf750820b9491.tar.gz | |
stm32: usb_hid_touchpad: add confidence
`confidence` is expected from a PTP-compliant touchpad
BRANCH=none
BUG=b:70482333
TEST=manual
Signed-off-by: Wei-Han Chen <stimim@chromium.org>
Change-Id: Ibe7166f43cae5fb36bbcc4e6dfd9ae6525a7225e
Reviewed-on: https://chromium-review.googlesource.com/1188170
Commit-Ready: Wei-Han Chen <stimim@chromium.org>
Tested-by: Wei-Han Chen <stimim@chromium.org>
Reviewed-by: Wei-Han Chen <stimim@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Diffstat (limited to 'driver/touchpad_st.c')
| -rw-r--r-- | driver/touchpad_st.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/driver/touchpad_st.c b/driver/touchpad_st.c index 11a85a90c8..1a4835125f 100644 --- a/driver/touchpad_st.c +++ b/driver/touchpad_st.c @@ -164,6 +164,8 @@ static int st_tp_parse_finger(struct usb_hid_touchpad_report *report, switch (event->evt_id) { case ST_TP_EVENT_ID_ENTER_POINTER: case ST_TP_EVENT_ID_MOTION_POINTER: + /* Pressure == 255 is a palm. */ + report->finger[i].confidence = (event->finger.z < 255); report->finger[i].tip = 1; report->finger[i].inrange = 1; report->finger[i].id = event->finger.touch_id; @@ -230,7 +232,7 @@ static int st_tp_write_hid_report(void) return -num_events; memset(&report, 0, sizeof(report)); - report.id = 0x1; + report.id = REPORT_ID_TOUCHPAD; num_finger = 0; for (i = 0; i < num_events; i++) { |