ds1621: Fix negative temperature readings · 7d85f1dc5c - Gogs

ds1621: Fix negative temperature readings

Fix bug where signed data was processed as unsigned.  The bug previously
resulted in negative temperature readings wrapping around, eg -10 became
245.

Signed-off-by: Jeff Dischler <jdischler@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

Jeff Dischler 14 years ago

parent

9a6c80b0cf

commit

7d85f1dc5c

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
drivers/hwmon/ds1621.c
							 
								View File
							
				@@ -80,7 +80,7 @@ int dtt_read(int sensor, int reg)
			
				 	/* Handle 2 byte result */
			
				 	if (dlen == 2)
			
				-		return ((int)((short)data[1] + (((short)data[0]) << 8)));
			
				+		return (short)((data[0] << 8) | data[1]);
			
				 	return (int)data[0];
			
				 }