The "latency" parameter wasn't covered by the documentation.

Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
How is this parameter related to buffer-length?
---
 qemu-options.hx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qemu-options.hx b/qemu-options.hx
index a4f9f74f52..82154cecf8 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -470,6 +470,7 @@ DEF("audiodev", HAS_ARG, QEMU_OPTION_audiodev,
     "-audiodev pa,id=id[,prop[=value][,...]]\n"
     "                server= PulseAudio server address\n"
     "                in|out.name= source/sink device name\n"
+    "                in|out.latency= desired latency in microseconds\n"
 #endif
 #ifdef CONFIG_AUDIO_SDL
     "-audiodev sdl,id=id[,prop[=value][,...]]\n"
@@ -630,6 +631,9 @@ Sets the PulseAudio @var{server} to connect to.
 @item in|out.name=@var{sink}
 Use the specified source/sink for recording/playback.
 
+@item in|out.latency=@var{usecs}
+Desired latency in microseconds.
+
 @end table
 
 @item -audiodev sdl,id=@var{id}[,@var{prop}[=@var{value}][,...]]
-- 
2.21.0


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