--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c~iio-drivers-hid-sensor-use-hz-macros +++ a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -6,12 +6,11 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/time.h> +#include <linux/units.h> #include <linux/hid-sensor-hub.h> #include <linux/iio/iio.h> -#define HZ_PER_MHZ 1000000L - static struct { u32 usage_id; int unit; /* 0 for default others from HID sensor spec */