From 75e1d3d8d93175cf7865ac8a8c98de8030304ffd Mon Sep 17 00:00:00 2001
From: yarah123 <101484139+yarah123@users.noreply.github.com>
Date: Thu, 12 May 2022 12:05:48 +0300
Subject: [PATCH] Update protocol3000.cr

On line 2, I added the 'require' statement to 'include' the switchable interface on line 55.
---
 drivers/kramer/switches/protocol3000.cr | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/kramer/switches/protocol3000.cr b/drivers/kramer/switches/protocol3000.cr
index 81bf4992139..6e7f8725f5a 100644
--- a/drivers/kramer/switches/protocol3000.cr
+++ b/drivers/kramer/switches/protocol3000.cr
@@ -1,4 +1,5 @@
 require "placeos-driver/interface/muteable"
+require "placeos-driver/interface/switchable"
 
 # Documentation: https://aca.im/driver_docs/Kramer/protocol_3000_2.10_user.pdf
 
@@ -51,6 +52,8 @@ class Kramer::Switcher::Protocol3000 < PlaceOS::Driver
     get_machine_info
   end
 
+  include Interface::InputSelection(Input)
+  
   def switch_video(input : Int32, output : Array(Int32))
     do_send(CMDS["switch_video"], build_switch_data({input => output}))
   end