hwmon: (iio_hwmon) Add support for humidity sensors
authorGuenter Roeck <linux@roeck-us.net>
Sat, 27 Sep 2014 15:31:12 +0000 (08:31 -0700)
committerGuenter Roeck <linux@roeck-us.net>
Mon, 1 Dec 2014 04:13:13 +0000 (20:13 -0800)
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>
drivers/hwmon/iio_hwmon.c

index 14c82da..9801756 100644 (file)
@@ -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;