Hi Todor,
On Thu, Feb 08, 2018 at 11:42:00AM +0200, Todor Tomov wrote:
> Find the sensor mode by comparing the size of the requested image size
> and the sensor mode's image size. The distance between image sizes is the
> size in pixels of the non-overlapping regions between the requested size
> and the frame-specified size. This logic is borrowed from et8ek8 sensor
> driver.
>
> Signed-off-by: Todor Tomov <todor.to...@linaro.org>
> ---
> drivers/media/i2c/ov5645.c | 24 +++++++++++++++---------
> 1 file changed, 15 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c
> index 9755562..6d06c50 100644
> --- a/drivers/media/i2c/ov5645.c
> +++ b/drivers/media/i2c/ov5645.c
> @@ -964,18 +964,24 @@ __ov5645_get_pad_crop(struct ov5645 *ov5645, struct
> v4l2_subdev_pad_config *cfg,
> static const struct ov5645_mode_info *
> ov5645_find_nearest_mode(unsigned int width, unsigned int height)
> {
> - int i;
> + unsigned int max_dist_match = (unsigned int) -1;
> + int i, n = 0;
>
> - for (i = ARRAY_SIZE(ov5645_mode_info_data) - 1; i >= 0; i--) {
> - if (ov5645_mode_info_data[i].width <= width &&
> - ov5645_mode_info_data[i].height <= height)
> - break;
> + for (i = 0; i < ARRAY_SIZE(ov5645_mode_info_data); i++) {
> + unsigned int dist = min(width, ov5645_mode_info_data[i].width)
> + * min(height, ov5645_mode_info_data[i].height);
> +
> + dist = ov5645_mode_info_data[i].width *
> + ov5645_mode_info_data[i].height
> + + width * height - 2 * dist;
Could you use v4l2_find_nearest_size()?
The patch is here:
<URL:https://git.linuxtv.org/sailus/media_tree.git/commit/?h=v4l2-common-size&id=83fdb8a0ab43fc86c329f63f1052e6113871a965>
The pull request has been sent on it.
--
Sakari Ailus
sakari.ai...@linux.intel.com
