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-rw-r--r--Documentation/usb/gadget-testing.rst1
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diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index 1792bd88f666..6e8fdfaf19e7 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -934,6 +934,7 @@ The uac1 function provides these attributes in its function directory:
p_volume_res playback volume control resolution (in 1/256 dB)
req_number the number of pre-allocated requests for both capture
and playback
+ function_name name of the interface
================ ====================================================
The attributes have sane default values.