null check in setBrightness

netmindz · coderabbitai[bot] · web-flow · commit a79ae2562156 · 2025-09-13T14:10:04.000+01:00
Co-authored-by: coderabbitai[bot] &lt;136622811+coderabbitai[bot]@users.noreply.github.com&gt;
diff --git a/wled00/bus_manager.cpp b/wled00/bus_manager.cpp
@@ -1056,7 +1056,7 @@ uint32_t BusHub75Matrix::getPixelColor(unsigned pix) const {
 
 void BusHub75Matrix::setBrightness(uint8_t b) {
   _bri = b;
-  display->setBrightness(_bri);
+  if (display) display->setBrightness(_bri);
 }
 
 void BusHub75Matrix::show(void) {

Original file line number	Diff line number	Diff line change
`@@ -1056,7 +1056,7 @@ uint32_t BusHub75Matrix::getPixelColor(unsigned pix) const {`
`1056`	`1056`
`1057`	`1057`	`void BusHub75Matrix::setBrightness(uint8_t b) {`
`1058`	`1058`	`_bri = b;`
`1059`		`- display->setBrightness(_bri);`
	`1059`	`+ if (display) display->setBrightness(_bri);`
`1060`	`1060`	`}`
`1061`	`1061`
`1062`	`1062`	`void BusHub75Matrix::show(void) {`