From a7a56b9a480c9985587574c5fb06b156a051ae73 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@localhost>
Date: Thu, 21 Jul 2011 01:24:18 +0200
Subject: [PATCH] devaudio: ignore non absolute volume items with range 0

---
 sys/src/9/port/devaudio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/src/9/port/devaudio.c b/sys/src/9/port/devaudio.c
index c8dd5d071..5dd1065d0 100644
--- a/sys/src/9/port/devaudio.c
+++ b/sys/src/9/port/devaudio.c
@@ -363,6 +363,8 @@ genaudiovolread(Audio *adev, void *a, long n, vlong,
 		if(vol[i].type == Absolute)
 			p += snprint(p, e - p, "%s %d\n", vol[i].name, v[0]);
 		else {
+			if(vol[i].range == 0)
+				continue;
 			for(j=0; j<2; j++){
 				if(v[j] < 0)
 					v[j] = 0;