linux-kernel - [PATCH v3 2/2] power: supply: ucs1002: Add HWMON interface

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Message-Id: <20190605072323.21990-3-andrew.smirnov@gmail.com>
Date:   Wed,  5 Jun 2019 00:23:23 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-pm@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Chris Healy <cphealy@...il.com>,
        Cory Tusar <cory.tusar@....aero>,
        Lucas Stach <l.stach@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Sebastian Reichel <sre@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/2] power: supply: ucs1002: Add HWMON interface

Expose current sensors found on UCS1002 via HWMON.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Cc: Chris Healy <cphealy@...il.com>
Cc: Cory Tusar <cory.tusar@....aero>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Fabio Estevam <fabio.estevam@....com>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Sebastian Reichel <sre@...nel.org>
Cc: linux-kernel@...r.kernel.org
Cc: linux-pm@...r.kernel.org
---
 drivers/power/supply/ucs1002_power.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/power/supply/ucs1002_power.c b/drivers/power/supply/ucs1002_power.c
index 677f20a4d76f..a4b6b37549cf 100644
--- a/drivers/power/supply/ucs1002_power.c
+++ b/drivers/power/supply/ucs1002_power.c
@@ -571,6 +571,12 @@ static int ucs1002_probe(struct i2c_client *client,
 		return ret;
 	}
 
+	ret = devm_power_supply_add_hwmon_sysfs(info->charger);
+	if (ret) {
+		dev_err(dev, "Failed to add hmwon attributes: %d\n", ret);
+		return ret;
+	}
+
 	ret = regmap_read(info->regmap, UCS1002_REG_PIN_STATUS, &regval);
 	if (ret) {
 		dev_err(dev, "Failed to read pin status: %d\n", ret);
-- 
2.21.0