drivers: media: imx296: Disable 2x2 binned mode

Disable enumerating and setting of the 2x2 binned mode entirely as it
does not seem to work for either mono or colour sensor variants.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
This commit is contained in:
Naushir Patuck
2023-05-31 15:51:58 +01:00
committed by Dom Cobley
parent 4744fcf210
commit 52bc3d701f

View File

@@ -663,7 +663,11 @@ static int imx296_enum_frame_size(struct v4l2_subdev *sd,
format = v4l2_subdev_state_get_format(state, fse->pad);
if (fse->index >= 2 || fse->code != format->code)
/*
* Binning does not seem to work on either mono or colour sensor
* variants. Disable enumerating the binned frame size for now.
*/
if (fse->index >= 1 || fse->code != format->code)
return -EINVAL;
fse->min_width = IMX296_PIXEL_ARRAY_WIDTH / (fse->index + 1);
@@ -685,32 +689,8 @@ static int imx296_set_format(struct v4l2_subdev *sd,
crop = v4l2_subdev_state_get_crop(state, fmt->pad);
format = v4l2_subdev_state_get_format(state, fmt->pad);
/*
* Binning is only allowed when cropping is disabled according to the
* documentation. This should be double-checked.
*/
if (crop->width == IMX296_PIXEL_ARRAY_WIDTH &&
crop->height == IMX296_PIXEL_ARRAY_HEIGHT) {
unsigned int width;
unsigned int height;
unsigned int hratio;
unsigned int vratio;
/* Clamp the width and height to avoid dividing by zero. */
width = clamp_t(unsigned int, fmt->format.width,
crop->width / 2, crop->width);
height = clamp_t(unsigned int, fmt->format.height,
crop->height / 2, crop->height);
hratio = DIV_ROUND_CLOSEST(crop->width, width);
vratio = DIV_ROUND_CLOSEST(crop->height, height);
format->width = crop->width / hratio;
format->height = crop->height / vratio;
} else {
format->width = crop->width;
format->height = crop->height;
}
format->width = crop->width;
format->height = crop->height;
format->code = sensor->mono ? MEDIA_BUS_FMT_Y10_1X10
: MEDIA_BUS_FMT_SBGGR10_1X10;