diff --git a/packages/linux/patches/linux-3.6.11-222-stb0899_signal_quality.patch b/packages/linux/patches/linux-3.6.11-222-stb0899_signal_quality.patch
new file mode 100644
index 0000000000..b1b601b26f
--- /dev/null
+++ b/packages/linux/patches/linux-3.6.11-222-stb0899_signal_quality.patch
@@ -0,0 +1,61 @@
+--- linux-3.6.11/drivers/media/dvb/frontends/stb0899_drv.c	2012-12-31 08:29:52.975869000 +0100
++++ linux-3.6.11.patch/drivers/media/dvb/frontends/stb0899_drv.c	2012-12-31 08:39:29.963853000 +0100
+@@ -971,6 +971,16 @@
+ 
+ 				*strength = stb0899_table_lookup(stb0899_dvbsrf_tab, ARRAY_SIZE(stb0899_dvbsrf_tab) - 1, val);
+ 				*strength += 750;
++
++		            	const int MIN_STRENGTH_DVBS = 0;
++		            	const int MAX_STRENGTH_DVBS = 680;
++		            	if (*strength < MIN_STRENGTH_DVBS) 	
++		                	*strength = 0;
++		            	else if(*strength > MAX_STRENGTH_DVBS) 
++		                	*strength = 0xFFFF;
++		            	else
++				    	*strength = (*strength - MIN_STRENGTH_DVBS) * 0xFFFF / (MAX_STRENGTH_DVBS - MIN_STRENGTH_DVBS); 
++
+ 				dprintk(state->verbose, FE_DEBUG, 1, "AGCIQVALUE = 0x%02x, C = %d * 0.1 dBm",
+ 					val & 0xff, *strength);
+ 			}
+@@ -983,6 +993,7 @@
+ 
+ 			*strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val);
+ 			*strength += 950;
++			*strength = *strength << 4;
+ 			dprintk(state->verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm",
+ 				val & 0x3fff, *strength);
+ 		}
+@@ -1016,6 +1027,16 @@
+ 				val = MAKEWORD16(buf[0], buf[1]);
+ 
+ 				*snr = stb0899_table_lookup(stb0899_cn_tab, ARRAY_SIZE(stb0899_cn_tab) - 1, val);
++
++		            	const int MIN_SNR_DVBS = 0;
++		            	const int MAX_SNR_DVBS = 200;
++		            	if (*snr < MIN_SNR_DVBS) 	
++		                	*snr = 0;
++		            	else if(*snr > MAX_SNR_DVBS) 
++		                	*snr = 0xFFFF;
++		            	else
++				    	*snr = (*snr - MIN_SNR_DVBS) * 0xFFFF / (MAX_SNR_DVBS - MIN_SNR_DVBS);
++
+ 				dprintk(state->verbose, FE_DEBUG, 1, "NIR = 0x%02x%02x = %u, C/N = %d * 0.1 dBm\n",
+ 					buf[0], buf[1], val, *snr);
+ 			}
+@@ -1040,6 +1061,16 @@
+ 				val = (quantn - estn) / 10;
+ 			}
+ 			*snr = val;
++
++	        	const int MIN_SNR_DVBS2 = 10;
++	        	const int MAX_SNR_DVBS2 = 70;
++	        	if (*snr < MIN_SNR_DVBS2) 	
++		            	*snr = 0;
++	        	else if(*snr > MAX_SNR_DVBS2) 
++        		    	*snr = 0xFFFF;
++        		else
++				*snr = (*snr - MIN_SNR_DVBS2) * 0xFFFF / (MAX_SNR_DVBS2 - MIN_SNR_DVBS2); 
++
+ 			dprintk(state->verbose, FE_DEBUG, 1, "Es/N0 quant = %d (%d) estimate = %u (%d), C/N = %d * 0.1 dBm",
+ 				quant, quantn, est, estn, val);
+ 		}