linux-kernel - [PATCH v1 6/6] media: rkisp1: Treat 8 bus width and 16 bus width formats the same

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Message-ID: <20260204112506.3706049-7-isaac.scott@ideasonboard.com>
Date: Wed,  4 Feb 2026 11:25:06 +0000
From: Isaac Scott <isaac.scott@...asonboard.com>
To: linux-media@...r.kernel.org
Cc: dafna@...tmail.com,
	laurent.pinchart@...asonboard.com,
	mchehab@...nel.org,
	heiko@...ech.de,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Isaac Scott <isaac.scott@...asonboard.com>
Subject: [PATCH v1 6/6] media: rkisp1: Treat 8 bus width and 16 bus width formats the same

As MIPI CSI is a serial interface, we should be able to use a bit depth
of 16 in the same way as 8 bit depth. Add a fallthrough case to ensure
we don't reject 16 bit depth formats.

Signed-off-by: Isaac Scott <isaac.scott@...asonboard.com>
---
 drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index c457593526c5..722ebcfbddbb 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -265,6 +265,7 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
 
 		switch (sink_fmt->bus_width) {
 		case 8:
+		case 16:
 			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_8B_ZERO;
 			break;
 		case 10:
-- 
2.43.0