From 0fb84ad6b776469650507abdffc98b5498d7cac7 Mon Sep 17 00:00:00 2001
From: Tormod Volden <debian.tormod@gmail.com>
Date: Fri, 1 Apr 2022 20:34:58 +0200
Subject: [PATCH 3/4] Hide all audio descriptors

---
 src/usb_desc.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/usb_desc.c b/src/usb_desc.c
index 46cb43d..a0c05af 100644
--- a/src/usb_desc.c
+++ b/src/usb_desc.c
@@ -64,7 +64,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     /* Configuration 1 */
     0x09,                                 /* bLength */
     USB_CONFIGURATION_DESCRIPTOR_TYPE,    /* bDescriptorType */
-    0x6D,                                 /* wTotalLength  110 bytes*/
+    0x2D,                                 /* wTotalLength 45 bytes*/
     0x00,
     0x02,                                 /* bNumInterfaces */
     0x01,                                 /* bConfigurationValue */
@@ -85,6 +85,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     0x00,                                 /* iInterface */
     /* 09 byte*/
 
+#if 0
     /* USB Speaker Class-specific AC Interface Descriptor */
     SPEAKER_SIZ_INTERFACE_DESC_SIZE,   /* bLength */
     AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
@@ -135,6 +136,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     0x02,                                 /* bSourceID */
     0x00,                                 /* iTerminal */
     /* 09 byte*/
+#endif
 
     /* USB Speaker Standard AS Interface Descriptor - Audio Streaming Zero Bandwith */
     /* Interface 1, Alternate Setting 0                                             */
@@ -162,6 +164,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     0x00,                                 /* iInterface */
     /* 09 byte*/
 
+#if 0
     /* USB Speaker Audio Streaming Interface Descriptor */
     AUDIO_STREAMING_INTERFACE_DESC_SIZE,  /* bLength */
     AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
@@ -185,6 +188,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     0x55,
     0x00,
     /* 11 byte*/
+#endif
 
     /* Endpoint 1 - Standard Descriptor */
     AUDIO_STANDARD_ENDPOINT_DESC_SIZE,    /* bLength */
@@ -198,6 +202,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     0x00,                                 /* bSynchAddress */
     /* 09 byte*/
 
+#if 0
     /* Endpoint - Audio Streaming Descriptor*/
     AUDIO_STREAMING_ENDPOINT_DESC_SIZE,   /* bLength */
     AUDIO_ENDPOINT_DESCRIPTOR_TYPE,       /* bDescriptorType */
@@ -207,6 +212,7 @@ const uint8_t Speaker_ConfigDescriptor[] =
     0x00,                                 /* wLockDelay */
     0x00,
     /* 07 byte*/
+#endif
   };
 
 /* USB String Descriptor (optional) */
-- 
2.25.1