Input: psmouse - allow defining read-only attributes
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 54ed267..e3562da 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -116,9 +116,7 @@
ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
-#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
-static ssize_t _show(struct psmouse *, void *data, char *); \
-static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
+#define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \
static struct psmouse_attribute psmouse_attr_##_name = { \
.dattr = { \
.attr = { \
@@ -134,7 +132,20 @@
.protect = _protect, \
}
-#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
- __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, 1)
+#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
+ static ssize_t _show(struct psmouse *, void *, char *); \
+ static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
+ __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
+
+#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
+ __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, 1)
+
+#define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \
+ static ssize_t _show(struct psmouse *, void *, char *); \
+ __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, 1)
+
+#define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \
+ static ssize_t _set(struct psmouse *, void *, const char *, size_t); \
+ __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, 1)
#endif /* _PSMOUSE_H */