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[v2,04/12] media: mt9m114: Lower minimum vblank value

Message ID 20250531163148.83497-5-hansg@kernel.org
State New
Headers show
Series media: mt9m114: Changes to make it work with atomisp devices | expand

Commit Message

Hans de Goede May 31, 2025, 4:31 p.m. UTC 
As the comment above the defines says, the minimum values are undocumented
so the lowest values seen in register lists are used.

The version of the mt9m114 driver shipped together with the atomisp code
uses 21 for vblank in its register lists, lower MT9M114_MIN_VBLANK
accordingly.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans de Goede <hansg@kernel.org>
---
 drivers/media/i2c/mt9m114.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/i2c/mt9m114.c b/drivers/media/i2c/mt9m114.c
index e12c69dc9df0..5f59bfd83402 100644
--- a/drivers/media/i2c/mt9m114.c
+++ b/drivers/media/i2c/mt9m114.c
@@ -325,13 +325,13 @@ 
 
 /*
  * The minimum amount of horizontal and vertical blanking is undocumented. The
- * minimum values that have been seen in register lists are 303 and 38, use
+ * minimum values that have been seen in register lists are 303 and 21, use
  * them.
  *
  * Set the default to achieve 1280x960 at 30fps with a 48 MHz pixclock.
  */
 #define MT9M114_MIN_HBLANK				303
-#define MT9M114_MIN_VBLANK				38
+#define MT9M114_MIN_VBLANK				21
 #define MT9M114_DEF_HBLANK				323
 #define MT9M114_DEF_VBLANK				39