linux-kernel - [PATCH v2 2/4] drivers: media: bcm2835-unicam: Allow setting of unpacked formats

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Message-Id: <20241127111515.565992-3-naush@raspberrypi.com>
Date: Wed, 27 Nov 2024 11:15:13 +0000
From: Naushir Patuck <naush@...pberrypi.com>
To: Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>
Cc: linux-media@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	jacopo.mondi@...asonboard.com,
	Dave Stevenson <dave.stevenson@...pberrypi.com>,
	Naushir Patuck <naush@...pberrypi.com>
Subject: [PATCH v2 2/4] drivers: media: bcm2835-unicam: Allow setting of unpacked formats

When matching formats via try_fmt/set_fmt ioctls, test for the unpacked
formats as well as packed formats. This allows userland clients setup
unpacking to 16-bits from the 10/12/14-packed CSI2 formats.

Signed-off-by: Naushir Patuck <naush@...pberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@...asonboard.com>
---
 drivers/media/platform/broadcom/bcm2835-unicam.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/broadcom/bcm2835-unicam.c b/drivers/media/platform/broadcom/bcm2835-unicam.c
index 36fb186a0421..d573d4d89881 100644
--- a/drivers/media/platform/broadcom/bcm2835-unicam.c
+++ b/drivers/media/platform/broadcom/bcm2835-unicam.c
@@ -547,7 +547,8 @@ unicam_find_format_by_fourcc(u32 fourcc, u32 pad)
 	}
 
 	for (i = 0; i < num_formats; ++i) {
-		if (formats[i].fourcc == fourcc)
+		if (formats[i].fourcc == fourcc ||
+		    formats[i].unpacked_fourcc == fourcc)
 			return &formats[i];
 	}
 
-- 
2.34.1