linux-kernel - [PATCH v1 08/19] staging: media: tegra-video: vi: adjust get

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Message-ID: <20250819121631.84280-9-clamor95@gmail.com>
Date: Tue, 19 Aug 2025 15:16:20 +0300
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Mikko Perttunen <mperttunen@...dia.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Sowjanya Komatineni <skomatineni@...dia.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Svyatoslav Ryhel <clamor95@...il.com>,
	Dmitry Osipenko <digetx@...il.com>,
	Charan Pedumuru <charan.pedumuru@...il.com>
Cc: 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-clk@...r.kernel.org,
	linux-staging@...ts.linux.dev
Subject: [PATCH v1 08/19] staging: media: tegra-video: vi: adjust get_selection op check

Get_selection operation may be implemented only for sink pad and may
return error code. Set try_crop to 0 instead of returning error.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 drivers/staging/media/tegra-video/vi.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index 71be205cacb5..4f67adc395ac 100644
--- a/drivers/staging/media/tegra-video/vi.c
+++ b/drivers/staging/media/tegra-video/vi.c
@@ -476,15 +476,11 @@ static int __tegra_channel_try_format(struct tegra_vi_channel *chan,
 	fse.code = fmtinfo->code;
 	ret = v4l2_subdev_call(subdev, pad, enum_frame_size, sd_state, &fse);
 	if (ret) {
-		if (!v4l2_subdev_has_op(subdev, pad, get_selection)) {
+		if (!v4l2_subdev_has_op(subdev, pad, get_selection) ||
+		    v4l2_subdev_call(subdev, pad, get_selection, NULL, &sdsel)) {
 			try_crop->width = 0;
 			try_crop->height = 0;
 		} else {
-			ret = v4l2_subdev_call(subdev, pad, get_selection,
-					       NULL, &sdsel);
-			if (ret)
-				return -EINVAL;
-
 			try_crop->width = sdsel.r.width;
 			try_crop->height = sdsel.r.height;
 		}
-- 
2.48.1