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-rw-r--r--extmod/modbluetooth.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/extmod/modbluetooth.h b/extmod/modbluetooth.h
index c8b8dc63f..a232ee2d1 100644
--- a/extmod/modbluetooth.h
+++ b/extmod/modbluetooth.h
@@ -199,7 +199,7 @@ int mp_bluetooth_gatts_write(uint16_t value_handle, const uint8_t *value, size_t
// Notify the central that it should do a read.
int mp_bluetooth_gatts_notify(uint16_t conn_handle, uint16_t value_handle);
// Notify the central, including a data payload. (Note: does not set the gatts db value).
-int mp_bluetooth_gatts_notify_send(uint16_t conn_handle, uint16_t value_handle, const uint8_t *value, size_t *value_len);
+int mp_bluetooth_gatts_notify_send(uint16_t conn_handle, uint16_t value_handle, const uint8_t *value, size_t value_len);
// Indicate the central.
int mp_bluetooth_gatts_indicate(uint16_t conn_handle, uint16_t value_handle);