From 0b01b35c768d293caa90e942f2a8107bb1694403 Mon Sep 17 00:00:00 2001
From: Alex <alexisr245@gmail.com>
Date: Fri, 31 May 2019 16:21:01 +0200
Subject: [PATCH] refactor(pulseaudio): only watch changes

---
 src/modules/pulseaudio.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/modules/pulseaudio.cpp b/src/modules/pulseaudio.cpp
index b656d154..4ed0d625 100644
--- a/src/modules/pulseaudio.cpp
+++ b/src/modules/pulseaudio.cpp
@@ -128,6 +128,10 @@ void waybar::modules::Pulseaudio::subscribeCb(pa_context *                 conte
                                               pa_subscription_event_type_t type, uint32_t idx,
                                               void *data) {
   unsigned facility = type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK;
+  unsigned operation = type & PA_SUBSCRIPTION_EVENT_TYPE_MASK;
+  if (operation != PA_SUBSCRIPTION_EVENT_CHANGE) {
+    return;
+  }
   if (facility == PA_SUBSCRIPTION_EVENT_SINK) {
     pa_context_get_sink_info_by_index(context, idx, sinkInfoCb, data);
   } else if (facility == PA_SUBSCRIPTION_EVENT_SOURCE) {