linux-kernel - [PATCH] hwmon: (aquacomputer_d5next) Add support for reading the +12V voltage sensor on D5 Next

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Message-Id: <20220726120203.33773-1-savicaleksa83@gmail.com>
Date:   Tue, 26 Jul 2022 14:02:03 +0200
From:   Aleksa Savic <savicaleksa83@...il.com>
To:     linux-hwmon@...r.kernel.org
Cc:     Aleksa Savic <savicaleksa83@...il.com>,
        Jack Doan <me@...kdoan.com>, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...il.com>
---
 drivers/hwmon/aquacomputer_d5next.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
index 997d72ea6182..738a1df8eae6 100644
--- a/drivers/hwmon/aquacomputer_d5next.c
+++ b/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;
-- 
2.37.1