samples: video: capture: Fix video to display XRGB format conversion

The VIDEO_PIX_FMT_XRGB32 corresponds to the PIXEL_FORMAT_XRGB_8888
display format. A fallback to PIXEL_FORMAT_ARGB_8888 could also be
considered if supported.

Signed-off-by: Phi Bang Nguyen <[email protected]>

Author: ngphibang

samples/drivers/video/capture/src/main.c

@@ -48,8 +48,12 @@ static inline int app_setup_display(const struct device *const display_dev, cons
 		}
 		break;
 	case VIDEO_PIX_FMT_XRGB32:
-		if (capabilities.current_pixel_format != PIXEL_FORMAT_ARGB_8888) {
-			ret = display_set_pixel_format(display_dev, PIXEL_FORMAT_ARGB_8888);
+		if (capabilities.current_pixel_format != PIXEL_FORMAT_XRGB_8888) {
+			if (display_set_pixel_format(display_dev, PIXEL_FORMAT_XRGB_8888)) {
+				/* If failed with PIXEL_FORMAT_XRGB_8888, PIXEL_FORMAT_ARGB_8888 is
+				 * still applicable */
+				ret = display_set_pixel_format(display_dev, PIXEL_FORMAT_ARGB_8888);
+			}
 		}
 		break;
 	default: