in TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR, _nitfs should be 3.

I believe that there is a mistake in the definition of TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR. The nitfs in the audio descriptor is always 3 regardless of ITF_NUM_TOTAL.
hathach · Mar 2, 2022 · 1b338b2 · 1b338b2
1 parent 7c627f5
commit 1b338b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/examples/device/uac2_headset/src/usb_descriptors.h b/examples/device/uac2_headset/src/usb_descriptors.h
@@ -86,7 +86,7 @@ enum
 
 #define TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(_stridx, _epout, _epin) \
     /* Standard Interface Association Descriptor (IAD) */\
-    TUD_AUDIO_DESC_IAD(/*_firstitfs*/ ITF_NUM_AUDIO_CONTROL, /*_nitfs*/ ITF_NUM_TOTAL, /*_stridx*/ 0x00),\
+    TUD_AUDIO_DESC_IAD(/*_firstitfs*/ ITF_NUM_AUDIO_CONTROL, /*_nitfs*/ 3, /*_stridx*/ 0x00),\
     /* Standard AC Interface Descriptor(4.7.1) */\
     TUD_AUDIO_DESC_STD_AC(/*_itfnum*/ ITF_NUM_AUDIO_CONTROL, /*_nEPs*/ 0x00, /*_stridx*/ _stridx),\
     /* Class-Specific AC Interface Header Descriptor(4.7.2) */\