From 414ae344afbf55d8389914402e4605c6f305b048 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 6 Sep 2025 11:52:48 -0700
Subject: [PATCH] Fixed rumble strength on DualSense Edge and Bluetooth
 connected controllers

Fixes https://github.com/libsdl-org/SDL/issues/13771

(cherry picked from commit 25d9096d41931f67add5dceefb587a8d7e51e0a2)
---
 src/joystick/hidapi/SDL_hidapi_ps5.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/joystick/hidapi/SDL_hidapi_ps5.c b/src/joystick/hidapi/SDL_hidapi_ps5.c
index 4249578e80..3c2bf96a6f 100644
--- a/src/joystick/hidapi/SDL_hidapi_ps5.c
+++ b/src/joystick/hidapi/SDL_hidapi_ps5.c
@@ -251,6 +251,7 @@ typedef struct
     Uint64 last_packet;
     int player_index;
     bool player_lights;
+    bool enhanced_rumble;
     Uint8 rumble_left;
     Uint8 rumble_right;
     bool color_set;
@@ -432,6 +433,14 @@ static bool HIDAPI_DriverPS5_InitDevice(SDL_HIDAPI_Device *device)
         }
     }
 
+    if (device->vendor_id == USB_VENDOR_SONY) {
+        if (device->product_id == USB_PRODUCT_SONY_DS5_EDGE ||
+            ctx->firmware_version == 0 || // Assume that it's updated firmware over Bluetooth
+            ctx->firmware_version >= 0x0224) {
+            ctx->enhanced_rumble = true;
+        }
+    }
+
     // Get the device capabilities
     if (device->vendor_id == USB_VENDOR_SONY) {
         ctx->sensors_supported = true;
@@ -684,17 +693,17 @@ static bool HIDAPI_DriverPS5_UpdateEffects(SDL_DriverPS5_Context *ctx, int effec
 
     if (ctx->vibration_supported) {
         if (ctx->rumble_left || ctx->rumble_right) {
-            if (ctx->firmware_version < 0x0224) {
+            if (ctx->enhanced_rumble) {
+                effects.ucEnableBits3 |= 0x04; // Enable improved rumble emulation on 2.24 firmware and newer
+
+                effects.ucRumbleLeft = ctx->rumble_left;
+                effects.ucRumbleRight = ctx->rumble_right;
+            } else {
                 effects.ucEnableBits1 |= 0x01; // Enable rumble emulation
 
                 // Shift to reduce effective rumble strength to match Xbox controllers
                 effects.ucRumbleLeft = ctx->rumble_left >> 1;
                 effects.ucRumbleRight = ctx->rumble_right >> 1;
-            } else {
-                effects.ucEnableBits3 |= 0x04; // Enable improved rumble emulation on 2.24 firmware and newer
-
-                effects.ucRumbleLeft = ctx->rumble_left;
-                effects.ucRumbleRight = ctx->rumble_right;
             }
             effects.ucEnableBits1 |= 0x02; // Disable audio haptics
         } else {