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How to detect Video Chip Model (ADV7280, ADV7280A-M and ADV7282A)?



		

			

									
						anandv85
					
							

			
				
									
											
							 		
		        	            							
			
			    	
			                    
                
				                on Oct 12, 2021 
				
			
			
		


				
		

		    		    
		    
		    	
			
Hi,


Is there a way to detect through I2C if the interface chip is ADV7280, ADV7280A-M orADV7282A?  I looked at the IDENT register however it was not useful.  Is there any other registers that uniquely identify the chip?




Thanks,


Anand