diff --git a/examples/camera/camera_interleave_pbuf/main.c b/examples/camera/camera_interleave_pbuf/main.c
index f730c6a8..29c897ee 100644
--- a/examples/camera/camera_interleave_pbuf/main.c
+++ b/examples/camera/camera_interleave_pbuf/main.c
@@ -110,7 +110,7 @@ void ATTR_TCM_SECTION cam_irq_callback(struct device *dev, void *args, uint32_t
         }
         */
 
-        while (device_control(dma_cam, DMA_CHANNEL_GET_STATUS, NULL)) {
+        while (dma_channel_check_busy(dma_cam)) {
             __asm volatile("nop");
             __asm volatile("nop");
         }
@@ -142,7 +142,7 @@ void ATTR_TCM_SECTION cam_irq_callback(struct device *dev, void *args, uint32_t
         }
         */
 
-        while (device_control(dma_cam, DMA_CHANNEL_GET_STATUS, NULL)) {
+        while (dma_channel_check_busy(dma_cam)) {
             __asm volatile("nop");
             __asm volatile("nop");
         }
diff --git a/examples/usb/usb_audio_mic_speaker/main.c b/examples/usb/usb_audio_mic_speaker/main.c
index c0a88fd2..3a7ce067 100644
--- a/examples/usb/usb_audio_mic_speaker/main.c
+++ b/examples/usb/usb_audio_mic_speaker/main.c
@@ -629,7 +629,7 @@ int main(void)
     while (1) {
         /* Waiting for record data update */
         if (record_updata_flag) {
-            if (!device_control(dma_ch4_usb_tx, DMA_CHANNEL_GET_STATUS, NULL)) {
+            if (!dma_channel_check_busy(dma_ch4_usb_tx)) {
                 device_write(usb_fs, AUDIO_IN_EP, record_data_buff[!record_buff_using_num], BUFF_SIZE);
                 record_updata_flag = 0;
                 record_buff_using_num = !record_buff_using_num;
@@ -638,7 +638,7 @@ int main(void)
         }
 
         if (play_updata_flag) {
-            device_control(dma_ch2_i2s_tx, DMA_CHANNEL_STOP, NULL);
+            dma_channel_stop(dma_ch2_i2s_tx);
             play_buff_using_num = !play_buff_using_num;
             device_write(i2s, 0, play_data_buff[play_buff_using_num], BUFF_SIZE);
             play_updata_flag = 0;
diff --git a/examples/usb/usb_audio_mouse/main.c b/examples/usb/usb_audio_mouse/main.c
index 6f1d6dfe..39f71308 100644
--- a/examples/usb/usb_audio_mouse/main.c
+++ b/examples/usb/usb_audio_mouse/main.c
@@ -763,7 +763,7 @@ int main(void)
                 MSG("frame_count:%d,last_frame_size:%d\r\n", frame_count, last_frame_size);
                 music_tx_flag = 1;
             }
-            if (!device_control(dma_ch2, DMA_CHANNEL_GET_STATUS, NULL)) {
+            if (!dma_channel_check_busy(dma_ch2)) {
                 if (frame_cnt < frame_count) {
                     device_write(usb_fs, AUDIO_IN_EP, &music[audio_pos], 4064);
                     frame_cnt++;
diff --git a/examples/usb/usb_video/main.c b/examples/usb/usb_video/main.c
index 185651b8..791a6976 100644
--- a/examples/usb/usb_video/main.c
+++ b/examples/usb/usb_video/main.c
@@ -545,7 +545,7 @@ int main(void)
     usbd_video_add_interface(&video_class, &video_control_intf);
     usbd_video_add_interface(&video_class, &video_stream_intf);
     usbd_interface_add_endpoint(&video_stream_intf, &video_in_ep);
-
+    usbd_video_set_probe_and_commit_controls(&probe, &commit);
     usb_fs = usb_dc_init();
 
     if (usb_fs) {
@@ -626,7 +626,7 @@ int main(void)
             }
 
             if (packets_cnt < (packets_in_frame - 1)) {
-                if (!device_control(dma_ch2, DMA_CHANNEL_GET_STATUS, NULL)) {
+                if (!dma_channel_check_busy(dma_ch2)) {
 #ifdef USING_CAMERA
 #else
 
@@ -665,7 +665,7 @@ int main(void)
                     }
                 }
             } else {
-                if (!device_control(dma_ch2, DMA_CHANNEL_GET_STATUS, NULL)) {
+                if (!dma_channel_check_busy(dma_ch2)) {
 #ifdef USING_CAMERA
 #else