[PATCH 6.18 517/752] media: i2c: ov01a10: Fix reported pixel-rate value

Sasha Levin
2026-02-28T17:55:30Z

From: Hans de Goede <hansg@kernel.org>

[ Upstream commit 9c632eebf6af4cb7b0f85503fe1ebc5176ff0db1 ]

CSI lanes are double-clocked so with a single lane at 400MHZ the resulting
pixel-rate for 10-bits pixels is 400 MHz * 2 / 10 = 80 MHz, not 40 MHz.

This also matches with the observed frame-rate of 60 fps with the default
vblank setting: 80000000 / (1488 * 896) = 60.

Fixes: 0827b58dabff ("media: i2c: add ov01a10 image sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/i2c/ov01a10.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ov01a10.c b/drivers/media/i2c/ov01a10.c
index e5df01f979781..0b1a1ecfffd0e 100644
--- a/drivers/media/i2c/ov01a10.c
+++ b/drivers/media/i2c/ov01a10.c
@@ -16,7 +16,7 @@
#include <media/v4l2-fwnode.h>

#define OV01A10_LINK_FREQ_400MHZ 400000000ULL
-#define OV01A10_SCLK 40000000LL
+#define OV01A10_SCLK 80000000LL
#define OV01A10_DATA_LANES 1

#define OV01A10_REG_CHIP_ID 0x300a
--
2.51.0