XINPUT_VIBRATION structure documentation says that wLeftMotorSpeed and
wRightMotorSpeed can range from 0 to 65535. The values were incorrectly
divided by 255 in HID_set_state, which made the value range overflow one
byte.
Signed-off-by: Rémi Bernon <rbernon(a)codeweavers.com>
---
dlls/xinput1_3/hid.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/dlls/xinput1_3/hid.c b/dlls/xinput1_3/hid.c
index 34e4e51285c..dc5601cb6a1 100644
--- a/dlls/xinput1_3/hid.c
+++ b/dlls/xinput1_3/hid.c
@@ -469,8 +469,8 @@ DWORD HID_set_state(xinput_controller* device, XINPUT_VIBRATION* state)
report.report = 0;
report.pad1[0] = 0x8;
report.pad1[1] = 0x0;
- report.left = (BYTE)(state->wLeftMotorSpeed / 255);
- report.right = (BYTE)(state->wRightMotorSpeed / 255);
+ report.left = (BYTE)(state->wLeftMotorSpeed / 256);
+ report.right = (BYTE)(state->wRightMotorSpeed / 256);
memset(&report.pad2, 0, sizeof(report.pad2));
EnterCriticalSection(&private->crit);
--
2.20.1