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-rw-r--r--src/class/audio/audio_device.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c
index 6fe5d6717..f8676d4b5 100644
--- a/src/class/audio/audio_device.c
+++ b/src/class/audio/audio_device.c
@@ -689,7 +689,7 @@ static bool audiod_set_interface(uint8_t rhport, tusb_control_request_t const *
// Open new EP if necessary - EPs are only to be closed or opened for AS interfaces - Look for AS interface with correct alternate interface
// Get pointer at end
- uint8_t const *p_desc_end = _audiod_itf[idxDriver].p_desc + tud_audio_desc_lengths[idxDriver];
+ uint8_t const *p_desc_end = _audiod_itf[idxDriver].p_desc + tud_audio_desc_lengths[idxDriver] - TUD_AUDIO_DESC_IAD_LEN;
// p_desc starts at required interface with alternate setting zero
while (p_desc < p_desc_end)
@@ -1113,7 +1113,7 @@ static bool audiod_get_AS_interface_index(uint8_t itf, uint8_t *idxDriver, uint8
if (_audiod_itf[i].p_desc)
{
// Get pointer at end
- uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i];
+ uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i] - TUD_AUDIO_DESC_IAD_LEN;
// Advance past AC descriptors
uint8_t const *p_desc = tu_desc_next(_audiod_itf[i].p_desc);
@@ -1178,7 +1178,7 @@ static bool audiod_verify_itf_exists(uint8_t itf, uint8_t *idxDriver)
{
// Get pointer at beginning and end
uint8_t const *p_desc = _audiod_itf[i].p_desc;
- uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i];
+ uint8_t const *p_desc_end = _audiod_itf[i].p_desc + tud_audio_desc_lengths[i] - TUD_AUDIO_DESC_IAD_LEN;
while (p_desc < p_desc_end)
{