User reported that CAPS lock Led state was inverted after soldering a LED to their board. LED_PIN_ON_STATE defaults to 1, so just swap to low. Flashed board and now CAPS LED reflects the actual state
@@ -38,3 +38,4 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define LOCKING_RESYNC_ENABLE
#define LED_CAPS_LOCK_PIN A0
+#define LED_PIN_ON_STATE 0