samples: video: capture: Drop buffers array variable

The buffers array variable is not needed. Drop it.

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

Author: ngphibang

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

@@ -91,7 +91,6 @@ static inline void video_display_frame(const struct device *const display_dev,
 
 int main(void)
 {
-	struct video_buffer *buffers[CONFIG_VIDEO_BUFFER_POOL_NUM_MAX];
 	struct video_buffer *vbuf = &(struct video_buffer){};
 	const struct device *video_dev;
 	struct video_format fmt;
@@ -285,19 +284,19 @@ int main(void)
 	}
 
 	/* Alloc video buffers and enqueue for capture */
-	for (i = 0; i < ARRAY_SIZE(buffers); i++) {
+	for (i = 0; i < CONFIG_VIDEO_BUFFER_POOL_NUM_MAX; i++) {
 		/*
 		 * For some hardwares, such as the PxP used on i.MX RT1170 to do image rotation,
 		 * buffer alignment is needed in order to achieve the best performance
 		 */
-		buffers[i] = video_buffer_aligned_alloc(bsize, CONFIG_VIDEO_BUFFER_POOL_ALIGN,
+		vbuf = video_buffer_aligned_alloc(bsize, CONFIG_VIDEO_BUFFER_POOL_ALIGN,
 							K_FOREVER);
-		if (buffers[i] == NULL) {
+		if (vbuf == NULL) {
 			LOG_ERR("Unable to alloc video buffer");
 			return 0;
 		}
-		buffers[i]->type = type;
-		video_enqueue(video_dev, buffers[i]);
+		vbuf->type = type;
+		video_enqueue(video_dev, vbuf);
 	}
 
 	/* Start video capture */