diff --git a/software/sys_controller/av_controller.c b/software/sys_controller/av_controller.c
index 5a679c3..ded48b0 100755
--- a/software/sys_controller/av_controller.c
+++ b/software/sys_controller/av_controller.c
@@ -131,6 +131,7 @@ typedef enum {
     VIDEO_LPF,
     LINETRIPLE_ENABLE,
     LINETRIPLE_MODE,
+    EN_ALC,
     TX_MODE,
 #ifndef DEBUG
     FW_UPDATE,
@@ -166,6 +167,7 @@ typedef struct {
     alt_8 sync_thold;
     alt_u8 sync_lpf;
     alt_u8 video_lpf;
+    alt_u8 en_alc;
 } avconfig_t;
 
 // Target configuration
@@ -208,6 +210,7 @@ const menuitem_t menu[] = {
     { VIDEO_LPF,            "Video LPF" },
     { LINETRIPLE_ENABLE,    "240p/288p lineX3" },
     { LINETRIPLE_MODE,      "Linetriple mode" },
+    { EN_ALC,               "Auto Lev. Contr." },
     { TX_MODE,              "TX mode" },
 #ifndef DEBUG
     { FW_UPDATE,            "Firmware update" },
@@ -828,6 +831,11 @@ void display_menu(alt_u8 forcedisp)
         	tc.l3_mode = tc.l3_mode < L3_MODE_MAX ? tc.l3_mode+1 : 0;
         strncpy(menu_row2, l3_mode_desc[tc.l3_mode], LCD_ROW_LEN+1);
         break;
+    case EN_ALC:
+        if ((code == VAL_MINUS) || (code == VAL_PLUS))
+            tc.en_alc = !tc.en_alc;
+        sniprintf(menu_row2, LCD_ROW_LEN+1, tc.en_alc ? "Enabled" : "Disabled");
+        break;
     case TX_MODE:
         if (!(IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & HDMITX_MODE_MASK) && ((code == VAL_MINUS) || (code == VAL_PLUS))) {
             tc.tx_mode = !tc.tx_mode;
@@ -1046,10 +1054,10 @@ status_t get_status(tvp_input_t input)
             status = (status < MODE_CHANGE) ? MODE_CHANGE : status;
     }
 
-    if ((tc.linemult_target != cm.cc.linemult_target) || (tc.l3_mode != cm.cc.l3_mode))
-        status = (status < MODE_CHANGE) ? MODE_CHANGE : status;
-
-    if ((tc.s480p_mode != cm.cc.s480p_mode) && (video_modes[cm.id].flags & (MODE_DTV480P|MODE_VGA480P)))
+    if ((tc.linemult_target != cm.cc.linemult_target) ||
+	(tc.l3_mode != cm.cc.l3_mode) ||
+	((tc.s480p_mode != cm.cc.s480p_mode) && (video_modes[cm.id].flags & (MODE_DTV480P|MODE_VGA480P))) ||
+	(tc.en_alc != cm.cc.en_alc))
         status = (status < MODE_CHANGE) ? MODE_CHANGE : status;
 
     cm.totlines = totlines;
@@ -1152,7 +1160,7 @@ void program_mode()
 
     printf("Mode %s selected\n", video_modes[cm.id].name);
 
-    tvp_source_setup(cm.id, target_type, (cm.progressive ? cm.totlines : cm.totlines/2), v_hz_x100/100, cm.refclk);
+    tvp_source_setup(cm.id, target_type, cm.cc.en_alc, (cm.progressive ? cm.totlines : cm.totlines/2), v_hz_x100/100, cm.refclk);
     set_lpf(cm.cc.video_lpf);
     set_videoinfo();
 }
diff --git a/software/sys_controller/tvp7002/tvp7002.c b/software/sys_controller/tvp7002/tvp7002.c
index 2dc5897..1255139 100755
--- a/software/sys_controller/tvp7002/tvp7002.c
+++ b/software/sys_controller/tvp7002/tvp7002.c
@@ -91,29 +91,28 @@ static void tvp_set_clamp_position(video_type type)
     }
 }
 
-static void tvp_set_alc(video_type type)
+static void tvp_set_alc(alt_u8 en_alc, video_type type)
 {
-    //disable ALC
-    //tvp_writereg(TVP_ALCEN, 0x00);
-    //tvp_writereg(TVP_ALCEN, 0x80);
-
-
-
-    //select ALC placement
-    switch (type) {
-    case VIDEO_LDTV:
-        tvp_writereg(TVP_ALCPLACE, 0x9);
-        break;
-    case VIDEO_SDTV:
-    case VIDEO_EDTV:
-    case VIDEO_PC:
-        tvp_writereg(TVP_ALCPLACE, 0x18);
-        break;
-    case VIDEO_HDTV:
-        tvp_writereg(TVP_ALCPLACE, 0x5A);
-        break;
-    default:
-        break;
+    if (en_alc) {
+        tvp_writereg(TVP_ALCEN, 0x80); //enable ALC
+        //select ALC placement
+        switch (type) {
+        case VIDEO_LDTV:
+            tvp_writereg(TVP_ALCPLACE, 0x9);
+            break;
+        case VIDEO_SDTV:
+        case VIDEO_EDTV:
+        case VIDEO_PC:
+            tvp_writereg(TVP_ALCPLACE, 0x18);
+            break;
+        case VIDEO_HDTV:
+            tvp_writereg(TVP_ALCPLACE, 0x5A);
+            break;
+        default:
+            break;
+        }
+        } else {
+            tvp_writereg(TVP_ALCEN, 0x00); //disable ALC
     }
 }
 
@@ -304,14 +303,14 @@ void tvp_set_sog_thold(alt_u8 val)
     printf("SOG thold set to 0x%x\n", val);
 }
 
-void tvp_source_setup(alt_8 modeid, video_type type, alt_u32 vlines, alt_u8 hz, alt_u8 refclk)
+void tvp_source_setup(alt_8 modeid, video_type type, alt_u8 en_alc, alt_u32 vlines, alt_u8 hz, alt_u8 refclk)
 {
     // Configure clock settings
     tvp_sel_clk(refclk);
 
     // Clamp position and ALC
     tvp_set_clamp_position(type);
-    tvp_set_alc(type);
+    tvp_set_alc(en_alc, type);
 
     //set analog (coarse) gain to max recommended value (-> 91% of the ADC range with 0.7Vpp input)
     tvp_writereg(TVP_BG_CGAIN, 0x88);
diff --git a/software/sys_controller/tvp7002/tvp7002.h b/software/sys_controller/tvp7002/tvp7002.h
old mode 100644
new mode 100755
index 405ced6..68e0ea9
--- a/software/sys_controller/tvp7002/tvp7002.h
+++ b/software/sys_controller/tvp7002/tvp7002.h
@@ -83,7 +83,7 @@ void tvp_set_hpll_phase(alt_u8 val);
 
 void tvp_set_sog_thold(alt_u8 val);
 
-void tvp_source_setup(alt_8 modeid, video_type type, alt_u32 vlines, alt_u8 hz, alt_u8 refclk);
+void tvp_source_setup(alt_8 modeid, video_type type, alt_u8 en_alc, alt_u32 vlines, alt_u8 hz, alt_u8 refclk);
 
 void tvp_source_sel(tvp_input_t input, video_format fmt, alt_u8 refclk);