From e65361ba1748adfe0621fbab0207b348b4ed8578 Mon Sep 17 00:00:00 2001
From: ejurgensen <espenjurgensen@gmail.com>
Date: Thu, 17 Mar 2016 12:54:17 +0100
Subject: [PATCH] [alsa] Don't query snd_pcm_delay() during an underrun

---
 src/laudio_alsa.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/laudio_alsa.c b/src/laudio_alsa.c
index 83b82f26..436d8e6b 100644
--- a/src/laudio_alsa.c
+++ b/src/laudio_alsa.c
@@ -89,8 +89,6 @@ laudio_alsa_xrun_recover(int err)
     {
       DPRINTF(E_WARN, L_LAUDIO, "PCM buffer underrun\n");
 
-      pcm_last_error = 0;
-
       ret = snd_pcm_prepare(hdl);
       if (ret < 0)
 	{
@@ -263,6 +261,7 @@ laudio_alsa_write(uint8_t *buf, uint64_t rtptime)
 	  return;
 	}
 
+      pcm_last_error = 0;
       pcm_pos += nsamp;
 
       pkt->offset += STOB(nsamp);
@@ -293,6 +292,9 @@ laudio_alsa_get_pos(void)
   if (pcm_pos == 0)
     return 0;
 
+  if (pcm_last_error != 0)
+    return pcm_pos;
+
   ret = snd_pcm_delay(hdl, &delay);
   if (ret < 0)
     {