Document PA_COMMAND_UNDERFLOW protocol change

Signed-off-by: David Henningsson <david.henningsson@canonical.com>

diff --git a/PROTOCOL b/PROTOCOL
index 6b999af49c7d048788919d207c89b089441b523a..2773ca534034503ee98dd1fc2eea2fe8307779b2 100644 (file)
--- a/PROTOCOL
+++ b/PROTOCOL
@@ -271,3 +271,9 @@ PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
     bool mute
     bool has_volume
     bool volume_writable
+
+## v23, implemented by >= 1.0
+
+New field in PA_COMMAND_UNDERFLOW:
+
+    int64_t index