PCA963X_LED_GRP_PWM
val = (ledout & ~mask) | (PCA963X_LED_GRP_PWM << shift);
val = (ledout & ~mask) | (PCA963X_LED_GRP_PWM << shift);
if ((ledout & mask) != (PCA963X_LED_GRP_PWM << shift)) {
val = (ledout & ~mask) | (PCA963X_LED_GRP_PWM << shift);