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-rw-r--r--keyboards/ploopyco/trackball/trackball.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/keyboards/ploopyco/trackball/trackball.c b/keyboards/ploopyco/trackball/trackball.c
index f59f9788f9..c5effd0050 100644
--- a/keyboards/ploopyco/trackball/trackball.c
+++ b/keyboards/ploopyco/trackball/trackball.c
@@ -255,7 +255,12 @@ void pointing_device_task(void) {
if (is_drag_scroll) {
mouse_report.h = mouse_report.x;
+#ifdef PLOOPY_DRAGSCROLL_INVERT
+ // Invert vertical scroll direction
+ mouse_report.v = -mouse_report.y;
+#else
mouse_report.v = mouse_report.y;
+#endif
mouse_report.x = 0;
mouse_report.y = 0;
}