From 0e6088fc9cdadbd488da990488944e177a19bfe5 Mon Sep 17 00:00:00 2001
From: Björn Stenberg <bjorn@haxx.se>
Date: Wed, 2 Oct 2002 16:33:26 +0000
Subject: Changed .eq file format to simple 'setting: value' model.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2478 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/mpeg.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 firmware/mpeg.h |  1 +
 2 files changed, 46 insertions(+)

(limited to 'firmware')

diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index c6e95dd588..6e2cabe172 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -1757,6 +1757,51 @@ int mpeg_val2phys(int setting, int value)
     return result;
 }
 
+int mpeg_phys2val(int setting, int value)
+{
+    int result = 0;
+    
+    switch(setting)
+    {
+        case SOUND_VOLUME:
+            result = value / 2;
+            break;
+        
+        case SOUND_BALANCE:
+            result = value / 2;
+            break;
+        
+        case SOUND_BASS:
+#ifdef HAVE_MAS3587F
+            result = value + 12;
+#else
+            result = value + 15;
+#endif
+            break;
+        
+        case SOUND_TREBLE:
+#ifdef HAVE_MAS3587F
+            result = value + 12;
+#else
+            result = value + 15;
+#endif
+            break;
+
+#ifdef HAVE_MAS3587F
+        case SOUND_LOUDNESS:
+            result = value;
+            break;
+            
+        case SOUND_SUPERBASS:
+            result = value / 10;
+            break;
+#endif
+    }
+
+    return result;
+}
+
+
 void mpeg_sound_channel_config(int configuration)
 {
 #ifdef SIMULATOR
diff --git a/firmware/mpeg.h b/firmware/mpeg.h
index a67ca922c4..4a92a2fbe9 100644
--- a/firmware/mpeg.h
+++ b/firmware/mpeg.h
@@ -37,6 +37,7 @@ int mpeg_sound_max(int setting);
 int mpeg_sound_default(int setting);
 void mpeg_sound_channel_config(int configuration);
 int mpeg_val2phys(int setting, int value);
+int mpeg_phys2val(int setting, int value);
 char *mpeg_sound_unit(int setting);
 int mpeg_sound_numdecimals(int setting);
 struct mp3entry* mpeg_current_track(void);
-- 
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