add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hwmon/mlxreg-fan.c
..
..
@@ -127,6 +127,12 @@
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 			if (err)
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 				return err;
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+			if (MLXREG_FAN_GET_FAULT(regval, tacho->mask)) {
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+				/* FAN is broken - return zero for FAN speed. */
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+				*val = 0;
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+				return 0;
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+			}
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+
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 			*val = MLXREG_FAN_GET_RPM(regval, fan->divider,
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 						  fan->samples);
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 			break;