From 98f1ca84b0381606f737760b1e119c616202f5e8 Mon Sep 17 00:00:00 2001
From: Michal Szafranski <szafranski@gmail.com>
Date: Sat, 2 Nov 2019 10:36:06 +0100
Subject: [PATCH] allow switching to mode 0

---
 src/hub.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hub.ts b/src/hub.ts
index 9702d29..d526de2 100644
--- a/src/hub.ts
+++ b/src/hub.ts
@@ -149,7 +149,7 @@ export class Hub extends EventEmitter {
     public subscribe (port: string, mode?: number) {
         return new Promise((resolve, reject) => {
             let newMode = this._getModeForDeviceType(this._portLookup(port).type);
-            if (mode) {
+            if (mode !== undefined) {
                 newMode = mode;
             }
             this._activatePortDevice(this._portLookup(port).value, this._portLookup(port).type, newMode, 0x00, () => {