Use CapsLock-<Number> hotkey to switch HDMI inputs, Capslock-[=/-] to turn TV on/off

lgtv-remote.ahk

#Requires AutoHotkey v2.0
#SingleInstance

#HotIf GetKeyState("CapsLock")
{
    1:: 
    {
        RunWait "lgtv --name MyTV --ssl setInput HDMI_3", , "Hide"
        ToggleCapsLock()
    }
    2:: 
    {
        RunWait "lgtv --name MyTV --ssl setInput HDMI_4", , "Hide"
        ToggleCapsLock()
    }
    -::
    {
        RunWait "lgtv --name MyTV --ssl off", , "Hide"
        ToggleCapsLock()
    }
    =::
    {
        RunWait "lgtv --name MyTV --ssl on", , "Hide"
        ToggleCapsLock()
    }
    Up::
    {
        RunWait "lgtv --name MyTV --ssl sendButton up", , "Hide"
        ToggleCapsLock()
    }
    Down::
    {
        RunWait "lgtv --name MyTV --ssl sendButton down", , "Hide"
        ToggleCapsLock()
    }
    Left::
    {
        RunWait "lgtv --name MyTV --ssl sendButton left", , "Hide"
        ToggleCapsLock()
    }
    Right::
    {
        RunWait "lgtv --name MyTV --ssl sendButton right", , "Hide"
        ToggleCapsLock()
    }
    Enter::
    {
        RunWait "lgtv --name MyTV --ssl sendButton enter", , "Hide"
        ToggleCapsLock()
    }
    Backspace::
    {
        RunWait "lgtv --name MyTV --ssl sendButton back", , "Hide"
        ToggleCapsLock()
    }
    Home::
    {
        RunWait "lgtv --name MyTV --ssl sendButton home", , "Hide"
        ToggleCapsLock()
    }
}

ToggleCapsLock() {
    if GetKeyState("CapsLock", "T") = 1
    {
        SetCapsLockState False
    }
    else if GetKeyState("CapsLock", "T") = 0
    {
        SetCapsLockState True
    }
}

Requires https://github.com/klattimer/LGWebOSRemote
See comment on this gist for instructions on how to set it up: https://gist.github.com/alimbada/9bd28e5a8fb98b1e96cbea8db1cda2b2