VS_DRV_CONNECTED
vscan_drv_state = VS_DRV_CONNECTED;
vscan_drv_state = VS_DRV_CONNECTED;
if ((vscan_drv_state != VS_DRV_CONNECTED) &&
if (vscan_drv_state == VS_DRV_CONNECTED) {
if (vscan_drv_state != VS_DRV_CONNECTED) {
vscan_drv_state = VS_DRV_CONNECTED;