B_KNOB_NONE
uint32 knobStyle = B_KNOB_NONE) = 0;
uint32 knobStyle = B_KNOB_NONE);
if (knobStyle != B_KNOB_NONE) {
if (knobStyle != B_KNOB_NONE && isEnabled) {
uint32 knobStyle = B_KNOB_NONE);
if (knobStyle != B_KNOB_NONE) {