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media: mt9m114: Fix default hblank and vblank values

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The current default hblank and vblank values are based on reaching 30 fps
with the pixel-array outputting 1280x960, but the default format for
the pixel-array source pad and the isp sink pad is 1296x976, correct
the default hblank and vblank values to take this into account.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Hans de Goede 2025-12-30 18:03:01 +01:00 committed by Hans Verkuil
parent 71087c9b81
commit 0fa4baded5
1 changed files with 4 additions and 3 deletions
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7
drivers/media/i2c/mt9m114.c
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@ -332,12 +332,13 @@
* 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.
* Set the default to achieve full resolution (1296x976 analog crop
* rectangle, 1280x960 output size) at 30fps with a 48 MHz pixclock.
*/
#define MT9M114_MIN_HBLANK 303
#define MT9M114_MIN_VBLANK 21
#define MT9M114_DEF_HBLANK 323
#define MT9M114_DEF_VBLANK 39
#define MT9M114_DEF_HBLANK 307
#define MT9M114_DEF_VBLANK 23
#define MT9M114_DEF_FRAME_RATE 30
#define MT9M114_MAX_FRAME_RATE 120