From: Jörg Krause <joerg.krause@embedded.rocks>
Date: Mon, 9 May 2016 13:07:21 +0000 (+0200)
Subject: Fix vol2attn
X-Git-Tag: 2.8.3.6~4^2
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F294%2Fhead;p=thirdparty%2Fshairport-sync.git

Fix vol2attn

This fixes calculation of the scaled attenuation if `max_dB` is different from
zero.

Closes: https://github.com/mikebrady/shairport-sync/issues/290
---

diff --git a/common.c b/common.c
index a86fd8e2..6ca577e9 100644
--- a/common.c
+++ b/common.c
@@ -437,7 +437,7 @@ double vol2attn(double vol, long max_db, long min_db) {
 
 #define order 3
 
-  double vol_setting = max_db;
+  double vol_setting = 0;
 
   if ((vol <= 0.0) && (vol >= -30.0)) {
     long range_db = max_db - min_db; // this will be a positive nunmber