-static void BAND_SPIRAL_SAT_math(HSV* hsv, int16_t dx, int16_t dy, uint8_t dist, uint8_t time) {
- hsv->s = rgb_matrix_config.sat + dist - time - atan2_8(dy, dx);
+static HSV BAND_SPIRAL_SAT_math(HSV hsv, int16_t dx, int16_t dy, uint8_t dist, uint8_t time) {
+ hsv.s = scale8(hsv.s + dist - time - atan2_8(dy, dx), hsv.s);
+ return hsv;