media: atomisp: Change atomisp_enum_framesizes() too small cut off from 2/3th to 5/8th

Change atomisp_enum_framesizes() cut off for too small resolutions
from 2/3th to 5/8th this results in more resolutions being available
with some sensors.

E.g. this allows using 800x600 with a 1280x960 sensor.

Link: https://lore.kernel.org/r/20230619105212.303653-4-hdegoede@redhat.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/pci/atomisp_ioctl.c

@@ -729,11 +729,11 @@ static int atomisp_enum_framesizes_crop_inner(struct atomisp_device *isp,
 			continue;
 
 		/*
-		 * Skip sizes where width and height are less then 2/3th of the
+		 * Skip sizes where width and height are less then 5/8th of the
 		 * sensor size to avoid sizes with a too small field of view.
 		 */
-		if (frame_sizes[i].width < (active->width * 2 / 3) &&
-		    frame_sizes[i].height < (active->height * 2 / 3))
+		if (frame_sizes[i].width < (active->width * 5 / 8) &&
+		    frame_sizes[i].height < (active->height * 5 / 8))
 			continue;
 
 		if (*valid_sizes == fsize->index) {