[Patch 3/3] media: ov5640: Make 2592x1944 mode only available at 15 fps

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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@xxxxxx>
---
 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 aa56a5a93283..3c9e61f948a5 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -1614,6 +1614,11 @@ 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 */
+	if (fr != OV5640_15_FPS &&
+	    (mode->hact == 2592 && mode->vact == 1944))
+		return NULL;
+
 	return mode;
 }
 
-- 
2.17.1




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