[PATCH 5.4 178/434] media: ov5640: Make 2592x1944 mode only available at 15 fps

Greg Kroah-Hartman
2019-12-29T17:48:36Z

From: Benoit Parrot <bparrot@ti.com>

[ Upstream commit 981e445454531c9d5ac5d3fa8c0f1bd55262d001 ]

The sensor data sheet clearly state that 2592x1944 only works at 15 fps
make sure we don't try to miss configure the pll out of acceptable
range.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/i2c/ov5640.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index 500d9bbff10b..18dd2d717088 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -1611,6 +1611,11 @@ ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr,
!(mode->hact == 640 && mode->vact == 480))
return NULL;

+ /* 2592x1944 only works at 15fps max */
+ if ((mode->hact == 2592 && mode->vact == 1944) &&
+ fr > OV5640_15_FPS)
+ return NULL;
+
return mode;
}

--
2.20.1