From 73c6bd986d6933ea47649f732b581290f6cb2781 Mon Sep 17 00:00:00 2001
From: Tim Crawford <tcrawford@system76.com>
Date: Mon, 2 Aug 2021 11:56:47 -0600
Subject: [PATCH] main: Use unsigned modulo

Explicitly affix the literal with `U` so SDCC will directly call
`moduint()` instead of `modsint()`.

Signed-off-by: Tim Crawford <tcrawford@system76.com>
---
 src/board/system76/common/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/board/system76/common/main.c b/src/board/system76/common/main.c
index 942e7dd..34662f8 100644
--- a/src/board/system76/common/main.c
+++ b/src/board/system76/common/main.c
@@ -99,7 +99,7 @@ void main(void) {
     uint32_t last_time_fan = 0;
 
     for(main_cycle = 0; ; main_cycle++) {
-        switch (main_cycle % 3) {
+        switch (main_cycle % 3U) {
             case 0:
                 // Handle power states
                 power_event();