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Diffstat (limited to 'include/linux/iio/sysfs.h')
-rw-r--r--include/linux/iio/sysfs.h11
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 */
/**