hwmon: (iio_hwmon) Add support for humidity sensors

The iio subsystem supports humidity sensors, so it makes sense
to support it in the iio-hwmon bridge as well.

Cc: Jonathan Cameron <jic23@kernel.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c
index 14c82daab019..980175628563 100644
--- a/drivers/hwmon/iio_hwmon.c
+++ b/drivers/hwmon/iio_hwmon.c
@@ -63,7 +63,7 @@ static int iio_hwmon_probe(struct platform_device *pdev)
         struct iio_hwmon_state *st;
         struct sensor_device_attribute *a;
         int ret, i;
-        int in_i = 1, temp_i = 1, curr_i = 1;
+        int in_i = 1, temp_i = 1, curr_i = 1, humidity_i = 1;
         enum iio_chan_type type;
         struct iio_channel *channels;
         const char *name = "iio_hwmon";
@@ -123,6 +123,11 @@ static int iio_hwmon_probe(struct platform_device *pdev)
                                                           "curr%d_input",
                                                           curr_i++);
                         break;
+                case IIO_HUMIDITYRELATIVE:
+                        a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
+                                                          "humidity%d_input",
+                                                          humidity_i++);
+                        break;
                 default:
                         ret = -EINVAL;
                         goto error_release_channels;