From e94912cdb93cfce579d168c9b078ca8b000bd499 Mon Sep 17 00:00:00 2001
From: RedPanda4552 <redpanda4552@gmail.com>
Date: Sat, 19 Aug 2023 15:14:40 -0400
Subject: [PATCH] Pad: Only consider LSB for small motor vibration

---
 pcsx2/SIO/Pad/PadDualshock2.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pcsx2/SIO/Pad/PadDualshock2.cpp b/pcsx2/SIO/Pad/PadDualshock2.cpp
index c8c000d156..65797db955 100644
--- a/pcsx2/SIO/Pad/PadDualshock2.cpp
+++ b/pcsx2/SIO/Pad/PadDualshock2.cpp
@@ -166,13 +166,16 @@ u8 PadDualshock2::Poll(u8 commandByte)
 					break;
 			}
 
+			// Small motor on the controller is only controlled by the LSB.
+			// Any value can be sent by the software, but only odd numbers
+			// (LSB set) will turn on the motor.
 			switch (this->smallMotorLastConfig)
 			{
 				case 0x00:
-					smallMotor = this->vibrationMotors[0];
+					smallMotor = this->vibrationMotors[0] & 0x01;
 					break;
 				case 0x01:
-					smallMotor = this->vibrationMotors[1];
+					smallMotor = this->vibrationMotors[1] & 0x01;
 					break;
 				default:
 					break;