diff --git a/ossc.qsf b/ossc.qsf
index 6f9d9af..281bb1a 100644
--- a/ossc.qsf
+++ b/ossc.qsf
@@ -227,7 +227,7 @@ set_global_assignment -name AUTO_RAM_TO_LCELL_CONVERSION ON
 set_global_assignment -name MAX_RAM_BLOCKS_M4K 56
 
 set_global_assignment -name FITTER_EFFORT "AUTO FIT"
-set_global_assignment -name SEED 2
+set_global_assignment -name SEED 20
 
 
 set_global_assignment -name VERILOG_FILE rtl/videogen.v
diff --git a/software/sys_controller/ossc/av_controller.c b/software/sys_controller/ossc/av_controller.c
index 1bf2644..92d8317 100644
--- a/software/sys_controller/ossc/av_controller.c
+++ b/software/sys_controller/ossc/av_controller.c
@@ -350,6 +350,9 @@ status_t get_status(tvp_input_t input, video_format format)
 #endif
         (tc.audio_swap_lr != cm.cc.audio_swap_lr))
         SetupAudio(tc.tx_mode);
+
+    if (pcm1862_active && (tc.audio_gain != cm.cc.audio_gain))
+        pcm_set_gain(tc.audio_gain-AUDIO_GAIN_0DB);
 #endif
 
     cm.cc = tc;
diff --git a/software/sys_controller/ossc/avconfig.c b/software/sys_controller/ossc/avconfig.c
index 7143e8f..02a5ed9 100644
--- a/software/sys_controller/ossc/avconfig.c
+++ b/software/sys_controller/ossc/avconfig.c
@@ -57,6 +57,7 @@ const avconfig_t tc_default = {
 #ifdef ENABLE_AUDIO
     .audio_dw_sampl = DEFAULT_ON,
     .tx_mode = TX_HDMI,
+    .audio_gain = AUDIO_GAIN_0DB,
 #endif
     .col = {
         .r_f_gain = DEFAULT_FINE_GAIN,
diff --git a/software/sys_controller/ossc/avconfig.h b/software/sys_controller/ossc/avconfig.h
index 15693e6..1cb9480 100644
--- a/software/sys_controller/ossc/avconfig.h
+++ b/software/sys_controller/ossc/avconfig.h
@@ -39,6 +39,11 @@
 #define SL_MODE_MAX         2
 #define SL_TYPE_MAX         2
 
+#define AUDIO_GAIN_M12DB    0
+#define AUDIO_GAIN_0DB      12
+#define AUDIO_GAIN_12DB     24
+#define AUDIO_GAIN_MAX      AUDIO_GAIN_12DB
+
 #define L5FMT_1920x1080     0
 #define L5FMT_1600x1200     1
 #define L5FMT_1920x1200     2
@@ -85,6 +90,7 @@ typedef struct {
 #ifdef ENABLE_AUDIO
     alt_u8 audio_dw_sampl;
     alt_u8 audio_swap_lr;
+    alt_u8 audio_gain;
 #endif
     color_setup_t col;
 } __attribute__((packed)) avconfig_t;
diff --git a/software/sys_controller/ossc/menu.c b/software/sys_controller/ossc/menu.c
index ec7c611..308152c 100644
--- a/software/sys_controller/ossc/menu.c
+++ b/software/sys_controller/ossc/menu.c
@@ -76,6 +76,7 @@ static void lines_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, LNG("%u l
 static void pixels_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, LNG("%u pixels","%u ﾄﾞｯﾄ"), v); }
 static void value_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "    %u", v); }
 static void lt_disp(alt_u8 v) { strncpy(menu_row2, lt_desc[v], LCD_ROW_LEN+1); }
+static void aud_db_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%d dB", ((alt_8)v-AUDIO_GAIN_0DB)); }
 static void vm_display_name (alt_u8 v) { strncpy(menu_row2, video_modes[v].name, LCD_ROW_LEN+1); }
 
 static const arg_info_t vm_arg_info = {&vm_sel, VIDEO_MODES_CNT-1, vm_display_name};
@@ -161,6 +162,7 @@ MENU(menu_compatibility, P99_PROTECT({ \
 MENU(menu_audio, P99_PROTECT({ \
     { LNG("Down-sampling","ﾀﾞｳﾝｻﾝﾌﾟﾘﾝｸﾞ"),       OPT_AVCONFIG_SELECTION, { .sel = { &tc.audio_dw_sampl, OPT_WRAP, SETTING_ITEM(audio_dw_sampl_desc) } } },
     { LNG("Swap left/right","ﾋﾀﾞﾘ/ﾐｷﾞｽﾜｯﾌﾟ"),    OPT_AVCONFIG_SELECTION, { .sel = { &tc.audio_swap_lr,  OPT_WRAP, SETTING_ITEM(off_on_desc) } } },
+    { "Pre-ADC gain",                           OPT_AVCONFIG_NUMVALUE,  { .num = { &tc.audio_gain,     OPT_NOWRAP, 0, AUDIO_GAIN_MAX, aud_db_disp } } },
 }))
 #define AUDIO_MENU { LNG("Audio options  >","ｵｰﾃﾞｨｵｵﾌﾟｼｮﾝ     >"),                  OPT_SUBMENU,            { .sub = { &menu_audio, NULL, NULL } } },
 #else
diff --git a/software/sys_controller/pcm1862/pcm1862.c b/software/sys_controller/pcm1862/pcm1862.c
index bdf8952..6d626f3 100644
--- a/software/sys_controller/pcm1862/pcm1862.c
+++ b/software/sys_controller/pcm1862/pcm1862.c
@@ -48,6 +48,13 @@ void pcm_source_sel(pcm_input_t input) {
     pcm1862_writereg(PCM1862_ADC1R, adc_ch);
 }
 
+void pcm_set_gain(alt_8 db_gain) {
+    alt_8 gain_val = 2*db_gain;
+
+    pcm1862_writereg(PCM1862_PGA1L, gain_val);
+    pcm1862_writereg(PCM1862_PGA1R, gain_val);
+}
+
 int pcm1862_init()
 {
     if (pcm1862_readreg(0x05) != 0x86)
@@ -56,5 +63,11 @@ int pcm1862_init()
     //pcm1862_writereg(0x00, 0xff);
     pcm1862_writereg(PCM1862_CLKCONFIG, 0x90);
 
+    pcm1862_writereg(PCM1862_DSP1_CLKDIV, 0x00);
+    pcm1862_writereg(PCM1862_DSP2_CLKDIV, 0x00);
+    pcm1862_writereg(PCM1862_ADC_CLKDIV,  0x03);
+    pcm1862_writereg(PCM1862_PLLCONFIG, 0x00);
+    pcm1862_writereg(PCM1862_DSP_CTRL, 0x30);
+
     return 1;
 }
diff --git a/software/sys_controller/pcm1862/pcm1862.h b/software/sys_controller/pcm1862/pcm1862.h
index b1bc434..13dccd7 100644
--- a/software/sys_controller/pcm1862/pcm1862.h
+++ b/software/sys_controller/pcm1862/pcm1862.h
@@ -30,7 +30,9 @@ typedef enum {
     PCM_INPUT4 = 3
 } pcm_input_t;
 
-void pcm_source_sel(pcm_input_t input) ;
+void pcm_source_sel(pcm_input_t input);
+
+void pcm_set_gain(alt_8 db_gain);
 
 int pcm1862_init();
 
diff --git a/software/sys_controller/pcm1862/pcm1862_regs.h b/software/sys_controller/pcm1862/pcm1862_regs.h
index d73f22b..0820426 100644
--- a/software/sys_controller/pcm1862/pcm1862_regs.h
+++ b/software/sys_controller/pcm1862/pcm1862_regs.h
@@ -47,5 +47,12 @@
 #define PCM1862_DIN_RESAMPLE    0x1B
 
 #define PCM1862_CLKCONFIG       0x20
+#define PCM1862_DSP1_CLKDIV     0x21
+#define PCM1862_DSP2_CLKDIV     0x22
+#define PCM1862_ADC_CLKDIV      0x23
+
+#define PCM1862_PLLCONFIG       0x28
+
+#define PCM1862_DSP_CTRL        0x71
 
 #endif /* PCM1862_REGS_H_ */
diff --git a/software/sys_controller_bsp/settings.bsp b/software/sys_controller_bsp/settings.bsp
index ee226e4..1536eda 100644
--- a/software/sys_controller_bsp/settings.bsp
+++ b/software/sys_controller_bsp/settings.bsp
@@ -2,8 +2,8 @@
 <sch:Settings xmlns:sch="http://www.altera.com/embeddedsw/bsp/schema">
         <BspType>hal</BspType>
         <BspVersion>default</BspVersion>
-        <BspGeneratedTimeStamp>Dec 7, 2017 9:34:03 PM</BspGeneratedTimeStamp>
-        <BspGeneratedUnixTimeStamp>1512675243152</BspGeneratedUnixTimeStamp>
+        <BspGeneratedTimeStamp>Feb 24, 2018 7:18:24 PM</BspGeneratedTimeStamp>
+        <BspGeneratedUnixTimeStamp>1519492704534</BspGeneratedUnixTimeStamp>
         <BspGeneratedLocation>./</BspGeneratedLocation>
         <BspSettingsFile>settings.bsp</BspSettingsFile>
         <SopcDesignFile>../../sys.sopcinfo</SopcDesignFile>
diff --git a/sys.sopcinfo b/sys.sopcinfo
index 8d9e0cd..d89d7aa 100644
--- a/sys.sopcinfo
+++ b/sys.sopcinfo
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <EnsembleReport name="sys" kind="sys" version="1.0" fabric="QSYS">
  <!-- Format version 17.1 590 (Future versions may contain additional information.) -->
- <!-- 2018.01.20.21:54:44 -->
+ <!-- 2018.02.24.18:26:12 -->
  <!-- A collection of modules and connections -->
  <parameter name="AUTO_GENERATION_ID">
   <type>java.lang.Integer</type>
-  <value>1516481684</value>
+  <value>1519489572</value>
   <derived>false</derived>
   <enabled>true</enabled>
   <visible>false</visible>