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Diffstat (limited to 'ports/esp32/usb.c')
-rw-r--r--ports/esp32/usb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/esp32/usb.c b/ports/esp32/usb.c
index 316482e18..2a3a2595d 100644
--- a/ports/esp32/usb.c
+++ b/ports/esp32/usb.c
@@ -79,7 +79,7 @@ void usb_init(void) {
.callback_rx_wanted_char = &MICROPY_HW_USB_CUSTOM_RX_WANTED_CHAR_CB,
#endif
#ifdef MICROPY_HW_USB_CUSTOM_LINE_STATE_CB
- .callback_line_state_changed = &MICROPY_HW_USB_CUSTOM_LINE_STATE_CB,
+ .callback_line_state_changed = (tusb_cdcacm_callback_t)&MICROPY_HW_USB_CUSTOM_LINE_STATE_CB,
#endif
#ifdef MICROPY_HW_USB_CUSTOM_LINE_CODING_CB
.callback_line_coding_changed = &MICROPY_HW_USB_CUSTOM_LINE_CODING_CB,