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Message-Id: <20221128152336.133953-6-luca.ceresoli@bootlin.com>
Date: Mon, 28 Nov 2022 16:23:20 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Sowjanya Komatineni <skomatineni@...dia.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Dmitry Osipenko <digetx@...il.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>
Cc: Luca Ceresoli <luca.ceresoli@...tlin.com>,
linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
Richard Leitner <richard.leitner@...data.com>
Subject: [PATCH v2 05/21] staging: media: tegra-video: document tegra_channel_get_remote_source_subdev
Clarify what this function does.
Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
No changes in v2
---
drivers/staging/media/tegra-video/vi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index 0fe3c7f6d234..8a7512ce2273 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)
{
--
2.34.1
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