Messages in this thread Patch in this message | | | From | Andrey Smirnov <> | Subject | [PATCH 2/2] power: supply: ucs1002: Add HWMON interface | Date | Wed, 29 May 2019 00:11:12 -0700 |
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Expose current sensors found on UCS1002 via HWMON.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Cc: Chris Healy <cphealy@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Sebastian Reichel <sre@kernel.org> Cc: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org --- drivers/power/supply/ucs1002_power.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/power/supply/ucs1002_power.c b/drivers/power/supply/ucs1002_power.c index 1c89d030c045..1faf2ef7d3f0 100644 --- a/drivers/power/supply/ucs1002_power.c +++ b/drivers/power/supply/ucs1002_power.c @@ -491,7 +491,7 @@ static const struct regulator_desc ucs1002_regulator_descriptor = { static int ucs1002_probe(struct i2c_client *client, const struct i2c_device_id *dev_id) { - struct device *dev = &client->dev; + struct device *hwmon, *dev = &client->dev; struct power_supply_config charger_config = {}; const struct regmap_config regmap_config = { .reg_bits = 8, @@ -571,6 +571,13 @@ static int ucs1002_probe(struct i2c_client *client, return ret; } + hwmon = devm_power_supply_add_hwmon_sysfs(info->charger); + ret = PTR_ERR_OR_ZERO(hwmon); + if (ret) { + dev_err(dev, "Failed to add hmwon attributes: %d\n", ret); + return ret; + } + ret = regmap_read(info->regmap, UCS1002_REG_PIN_STATUS, ®val); if (ret) { dev_err(dev, "Failed to read pin status: %d\n", ret); -- 2.21.0
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