docs: ABI: added missing num_requests param to UAC2

The existing configfs-usb-gadget-uac2 ABI doc for testing was missing
the num_requests param. The patch adds the parameter to the document.

Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20211225130929.205629-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uac2 b/Documentation/ABI/testing/configfs-usb-gadget-uac2
index 244d966..9cddadc 100644 (file)
--- a/Documentation/ABI/testing/configfs-usb-gadget-uac2
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uac2
@@ -30,4 +30,6 @@ Description:
                                        (in 1/256 dB)
                p_volume_res            playback volume control resolution
                                        (in 1/256 dB)
+               req_number      the number of pre-allocated requests for both capture
+                                       and playback
                =====================   =======================================