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-rw-r--r--src/class/cdc/cdc_host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/class/cdc/cdc_host.h b/src/class/cdc/cdc_host.h
index f6cc3812f..8544ff740 100644
--- a/src/class/cdc/cdc_host.h
+++ b/src/class/cdc/cdc_host.h
@@ -148,6 +148,7 @@ bool tuh_cdc_set_control_line_state(uint8_t idx, uint16_t line_state, tuh_xfer_c
bool tuh_cdc_set_baudrate(uint8_t idx, uint32_t baudrate, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
// Request to Set Line Coding (ACM only)
+// Should only use if you don't work with serial devices such as FTDI/CP210x
bool tuh_cdc_set_line_coding(uint8_t idx, cdc_line_coding_t const* line_coding, tuh_xfer_cb_t complete_cb, uintptr_t user_data);
// Request to Get Line Coding (ACM only)