Created a custom fan curve with inbuilt interpolation

Includes the fix for buzzing at low speeds (#163)
Also halved the cooldown time.

src/board/system76/oryp7/board.mk

@@ -38,30 +38,58 @@ CFLAGS+=\
 CFLAGS+=-DSYNC_FANS=1
 
 # Custom fan curve
-CFLAGS+=-DBOARD_HEATUP=5
-CFLAGS+=-DBOARD_COOLDOWN=20
+CFLAGS+=-DBOARD_HEATUP=6
+CFLAGS+=-DBOARD_COOLDOWN=12
 CFLAGS+=-DBOARD_FAN_POINTS="\
-	FAN_POINT(55, 25), \
-	FAN_POINT(65, 30), \
-	FAN_POINT(70, 40), \
-	FAN_POINT(75, 60), \
-	FAN_POINT(80, 75), \
-	FAN_POINT(85, 90), \
-	FAN_POINT(90, 100) \
+    FAN_POINT(50, 25), \
+    FAN_POINT(51, 29), \
+    FAN_POINT(52, 33), \
+    FAN_POINT(53, 36), \
+    FAN_POINT(54, 40), \
+    FAN_POINT(55, 44), \
+    FAN_POINT(56, 48), \
+    FAN_POINT(57, 51), \
+    FAN_POINT(58, 55), \
+    FAN_POINT(59, 59), \
+    FAN_POINT(60, 63), \
+    FAN_POINT(61, 66), \
+    FAN_POINT(62, 70), \
+    FAN_POINT(63, 74), \
+    FAN_POINT(64, 78), \
+    FAN_POINT(65, 81), \
+    FAN_POINT(66, 85), \
+    FAN_POINT(67, 89), \
+    FAN_POINT(68, 92), \
+    FAN_POINT(69, 96), \
+    FAN_POINT(70, 100) \
 "
 
 # Enable DGPU support
 CFLAGS+=-DHAVE_DGPU=1
-CFLAGS+=-DBOARD_DGPU_HEATUP=5
-CFLAGS+=-DBOARD_DGPU_COOLDOWN=20
+CFLAGS+=-DBOARD_DGPU_HEATUP=6
+CFLAGS+=-DBOARD_DGPU_COOLDOWN=12
 CFLAGS+=-DBOARD_DGPU_FAN_POINTS="\
-	FAN_POINT(55, 25), \
-	FAN_POINT(65, 30), \
-	FAN_POINT(70, 40), \
-	FAN_POINT(75, 60), \
-	FAN_POINT(80, 75), \
-	FAN_POINT(85, 90), \
-	FAN_POINT(90, 100) \
+    FAN_POINT(50, 25), \
+    FAN_POINT(51, 29), \
+    FAN_POINT(52, 33), \
+    FAN_POINT(53, 36), \
+    FAN_POINT(54, 40), \
+    FAN_POINT(55, 44), \
+    FAN_POINT(56, 48), \
+    FAN_POINT(57, 51), \
+    FAN_POINT(58, 55), \
+    FAN_POINT(59, 59), \
+    FAN_POINT(60, 63), \
+    FAN_POINT(61, 66), \
+    FAN_POINT(62, 70), \
+    FAN_POINT(63, 74), \
+    FAN_POINT(64, 78), \
+    FAN_POINT(65, 81), \
+    FAN_POINT(66, 85), \
+    FAN_POINT(67, 89), \
+    FAN_POINT(68, 92), \
+    FAN_POINT(69, 96), \
+    FAN_POINT(70, 100) \
 "
 
 # Add system76 common code