From: Luca Ceresoli <luca.ceresoli@bootlin.com>
Date: Tue, 18 Apr 2023 08:00:38 +0000 (+0200)
Subject: staging: media: tegra-video: document tegra_channel_get_remote_source_subdev
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2f229d40490534e76ab06c4b3a5627ae08620997;p=linux.git

staging: media: tegra-video: document tegra_channel_get_remote_source_subdev

Clarify what this function does.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---

diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index 2f1aff7e87170..0b2d6dcb44b74 100644
--- a/drivers/staging/media/tegra-video/vi.c
+++ b/drivers/staging/media/tegra-video/vi.c
@@ -164,6 +164,9 @@ 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)
 {