hwmon-vid: Don't spam the logs when VRM version is missing

If we cannot guess which VRM version the CPU uses, we set it to 0 and
log it. So we shouldn't spam the log each time vid_from_reg() is
later called with vrm 0.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Rudolf Marek <r.marek@assembler.cz>

drivers/hwmon/hwmon-vid.c

@@ -132,7 +132,9 @@ int vid_from_reg(int val, u8 vrm)
 		val &= 0x7f;
 		return(val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000);
 	default:		/* report 0 for unknown */
-		printk(KERN_INFO "hwmon-vid: requested unknown VRM version\n");
+		if (vrm)
+			printk(KERN_WARNING "hwmon-vid: Requested unsupported "
+			       "VRM version (%u)\n", (unsigned int)vrm);
 		return 0;
 	}
 }