diff options
Diffstat (limited to 'include/linux/iio/sysfs.h')
| -rw-r--r-- | include/linux/iio/sysfs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/iio/sysfs.h b/include/linux/iio/sysfs.h index e51fba66de4b..de5bb125815c 100644 --- a/include/linux/iio/sysfs.h +++ b/include/linux/iio/sysfs.h @@ -97,6 +97,17 @@ struct iio_const_attr { = { .string = _string, \ .dev_attr = __ATTR(_name, S_IRUGO, iio_read_const_attr, NULL)} +#define IIO_STATIC_CONST_DEVICE_ATTR(_name, _string) \ + static ssize_t iio_const_dev_attr_show_##_name( \ + struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ + { \ + return sysfs_emit(buf, "%s\n", _string); \ + } \ + static IIO_DEVICE_ATTR(_name, 0444, \ + iio_const_dev_attr_show_##_name, NULL, 0) + /* Generic attributes of onetype or another */ /** |