From 74390b4cfc06870f0d0d8e5cd2220ff4480daa81 Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Fri, 21 Oct 2016 17:24:15 -0700
Subject: [PATCH] PSP2: Improved controller rumble

---
 CHANGES                          | 2 ++
 src/platform/psp2/psp2-context.c | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index da97fa613..c354d982c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,6 +9,8 @@ Bugfixes:
  - Qt: Fix setting overrides
  - Qt: Fix cut off tiles and alignment issues in tile viewer
  - GBA Cheats: Fix GameShark ROM patches
+Misc:
+ - PSP2: Improved controller rumble
 
 0.5.1: (2016-10-05)
 Bugfixes:
diff --git a/src/platform/psp2/psp2-context.c b/src/platform/psp2/psp2-context.c
index 247676e1e..8b75af17c 100644
--- a/src/platform/psp2/psp2-context.c
+++ b/src/platform/psp2/psp2-context.c
@@ -134,9 +134,11 @@ static void _setRumble(struct mRumble* source, int enable) {
 		rumble->current -= oldLevel;
 	}
 	CircleBufferWrite8(&rumble->history, enable);
+	int small = (rumble->current << 21) / 65793;
+	int big = ((rumble->current * rumble->current) << 18) / 65793;
 	struct SceCtrlActuator state = {
-		rumble->current * 31,
-		0
+		small,
+		big
 	};
 	sceCtrlSetActuator(1, &state);
 }