From c6c0c50a442fb943b0c0f9949e54ad4e6c1203d1 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Sun, 18 Jul 2021 19:06:09 +0300
Subject: Improved periodic effect

---
 hid-tmt300rs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'hid-tmt300rs.h')

diff --git a/hid-tmt300rs.h b/hid-tmt300rs.h
index 3f5af4e..80146ef 100644
--- a/hid-tmt300rs.h
+++ b/hid-tmt300rs.h
@@ -29,8 +29,8 @@
 #define FF_EFFECT_PLAYING 3
 #define FF_EFFECT_QUEUE_UPDATE 4
 
-#define CLAMP_VALUE_U16(x) ((unsigned short)((x) > 0xffff ? 0xffff : (x)))
-#define SCALE_VALUE_U16(x, bits) (CLAMP_VALUE_U16(x) >> (16 - bits))
+#undef fixp_sin16
+#define fixp_sin16(v) (((v % 360) > 180)? -(fixp_sin32((v % 360) - 180) >> 16) : fixp_sin32(v) >> 16)
 #define JIFFIES2MS(jiffies) ((jiffies) * 1000 / HZ)
 
 spinlock_t lock;
-- 
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