hwmon: (aquacomputer_d5next) Add support for reading the +12V voltage sensor on D5 Next

Add support for reading the +12V voltage that the D5 Next pump receives.
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220726120203.33773-1-savicaleksa83@gmail.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/aquacomputer_d5next.c

@@ -71,6 +71,7 @@ static u8 secondary_ctrl_report[] = {
 #define D5NEXT_PUMP_OFFSET		0x6c
 #define D5NEXT_FAN_OFFSET		0x5f
 #define D5NEXT_5V_VOLTAGE		0x39
+#define D5NEXT_12V_VOLTAGE		0x37
 #define D5NEXT_CTRL_REPORT_SIZE		0x329
 static u8 d5next_sensor_fan_offsets[] = { D5NEXT_PUMP_OFFSET, D5NEXT_FAN_OFFSET };
 
@@ -114,7 +115,8 @@ static const char *const label_d5next_power[] = {
 static const char *const label_d5next_voltages[] = {
 	"Pump voltage",
 	"Fan voltage",
-	"+5V voltage"
+	"+5V voltage",
+	"+12V voltage"
 };
 
 static const char *const label_d5next_current[] = {
@@ -340,8 +342,8 @@ static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u3
 	case hwmon_in:
 		switch (priv->kind) {
 		case d5next:
-			/* Special case to support voltage sensor */
-			if (channel < priv->num_fans + 1)
+			/* Special case to support +5V and +12V voltage sensors */
+			if (channel < priv->num_fans + 2)
 				return 0444;
 			break;
 		default:
@@ -574,6 +576,7 @@ static int aqc_raw_event(struct hid_device *hdev, struct hid_report *report, u8
 	switch (priv->kind) {
 	case d5next:
 		priv->voltage_input[2] = get_unaligned_be16(data + D5NEXT_5V_VOLTAGE) * 10;
+		priv->voltage_input[3] = get_unaligned_be16(data + D5NEXT_12V_VOLTAGE) * 10;
 		break;
 	default:
 		break;