Add the dummy versions (function definition returning -EINVAL) of
drm_of_find_backlight and devm_drm_of_find_backlight in the #else
part of the conditional directive in drm_of.h. This is needed
for drivers where CONFIG_OF is optional.
Signed-off-by: Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx>
---
Changes in v5:
-Fix the kbuild errors and warnings such as return 0 instead of -EINVAL.
include/drm/drm_of.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index b2d6e0c..55c9304 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -60,6 +60,7 @@ static inline int drm_of_encoder_active_endpoint(struct device_node *node,
{
return -EINVAL;
}
+
static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
int port, int endpoint,
struct drm_panel **panel,
@@ -67,6 +68,18 @@ static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
{
return -EINVAL;
}
+
+static inline struct backlight_device *drm_of_find_backlight(
+ struct device *dev)
+{
+ return 0;
+}
+
+static inline struct backlight_device *devm_drm_of_find_backlight(
+ struct device *dev)
+{
+ return 0;
+}
#endif
static inline int drm_of_encoder_active_endpoint_id(struct device_node *node,
--
2.7.4
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