ibmpex: correct power use multipliers for QS2x blade

The QS2x blades ships with v2.54 of the firmware, which use the same
multiplier for all power meters.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/hwmon/ibmpex.c

@@ -327,10 +327,14 @@ static int is_temp_sensor(const char *sensor_id, int len)
 	return 0;
 }
 
-static int power_sensor_multiplier(const char *sensor_id, int len)
+static int power_sensor_multiplier(struct ibmpex_bmc_data *data,
+				   const char *sensor_id, int len)
 {
 	int i;
 
+	if (data->sensor_major == 2)
+		return 1000000;
+
 	for (i = PEX_SENSOR_TYPE_LEN; i < len - 1; i++)
 		if (!memcmp(&sensor_id[i], watt_sensor_sig, PEX_MULT_LEN))
 			return 1000000;
@@ -398,8 +402,9 @@ static int ibmpex_find_sensors(struct ibmpex_bmc_data *data)
 			num_power++;
 			sensor_counter = num_power;
 			data->sensors[i].multiplier =
-				power_sensor_multiplier(data->rx_msg_data,
-						     data->rx_msg_len);
+				power_sensor_multiplier(data,
+							data->rx_msg_data,
+							data->rx_msg_len);
 		} else if (is_temp_sensor(data->rx_msg_data,
 					  data->rx_msg_len)) {
 			sensor_type = TEMP_SENSOR;