diff mbox series

[v3,05/21] staging: media: tegra-video: document tegra_channel_get_remote_source_subdev

Message ID 20221229133205.981397-6-luca.ceresoli@bootlin.com (mailing list archive)
State New, archived
Headers show
Series Add Tegra20 parallel video input capture | expand

Commit Message

Luca Ceresoli Dec. 29, 2022, 1:31 p.m. UTC 
Clarify what this function does.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

---

No changes in v3
No changes in v2
---
 drivers/staging/media/tegra-video/vi.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index 9dba6e97ebdd..6aecdd28bd82 100644
--- a/drivers/staging/media/tegra-video/vi.c
+++ b/drivers/staging/media/tegra-video/vi.c
@@ -154,6 +154,9 @@  tegra_channel_get_remote_csi_subdev(struct tegra_vi_channel *chan)
 	return media_entity_to_v4l2_subdev(pad->entity);
 }
 
+/*
+ * Walk up the chain until the initial source (e.g. image sensor)
+ */
 struct v4l2_subdev *
 tegra_channel_get_remote_source_subdev(struct tegra_vi_channel *chan)
 {