default to fan syncing but support disabling fan syncing with SYNC_FA…

…NS=0 build flag
system76 · May 1, 2021 · 606ba01 · 606ba01
1 parent f0c42f5
commit 606ba01
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/src/board/system76/common/fan.c b/src/board/system76/common/fan.c
@@ -9,6 +9,10 @@ bool fan_max = false;
 #define max_speed PWM_DUTY(100)
 #define min_speed PWM_DUTY(0)
 
+#ifndef SYNC_FANS
+  #define SYNC_FANS 1
+#endif
+
 void fan_reset(void) {
     // Do not manually set fans to maximum speed
     fan_max = false;
@@ -52,7 +56,7 @@ uint8_t fan_duty(const struct Fan * fan, int16_t temp) __reentrant {
 }
 
 void fan_duty_set(uint8_t peci_fan_duty, uint8_t dgpu_fan_duty) __reentrant {
-  #ifdef SYNC_FANS
+  #if SYNC_FANS != 0
     peci_fan_duty = peci_fan_duty > dgpu_fan_duty ? peci_fan_duty : dgpu_fan_duty;
     dgpu_fan_duty = peci_fan_duty > dgpu_fan_duty ? peci_fan_duty : dgpu_fan_duty;
   #endif

diff --git a/src/board/system76/galp5/board.mk b/src/board/system76/galp5/board.mk
@@ -40,9 +40,6 @@ CFLAGS+=\
 	-DPOWER_LIMIT_AC=65 \
 	-DPOWER_LIMIT_DC=28
 
-# sync GPU fan speed to CPU fan speed (great for galp5 w/o dGPU)
-CFLAGS+=-DSYNC_FANS=1
-
 # Custom fan curve
 CFLAGS+=-DBOARD_HEATUP=5
 CFLAGS+=-DBOARD_COOLDOWN=20