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| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-12-16 16:56:39 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-01-12 21:13:25 +0300 |
| commit | 480a912be4eb51e30aec721731b9cf476b2ee861 (patch) | |
| tree | 3a96317858bf8630cf4e263fd3a1a2265fc9e7dc | |
| parent | 4dfcec8a2f9e22ac409ae512d5ff6acced8c588f (diff) | |
| download | linux-480a912be4eb51e30aec721731b9cf476b2ee861.tar.xz | |
Documentation: usb: SOURCESINK function testing
Summary of how to test SOURCESINK function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | Documentation/usb/gadget-testing.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index bc57c65e76b6..73a5b0c34174 100644 --- a/Documentation/usb/gadget-testing.txt +++ b/Documentation/usb/gadget-testing.txt @@ -15,6 +15,7 @@ provided by gadgets. 12. PHONET function 13. RNDIS function 14. SERIAL function +15. SOURCESINK function 1. ACM function @@ -560,3 +561,29 @@ then the other way round On target: cat > /dev/ttyGS<Y> On host: cat /dev/ttyUSB<X> + +15. SOURCESINK function +======================= + +The function is provided by usb_f_ss_lb.ko module. + +Function-specific configfs interface +------------------------------------ + +The function name to use when creating the function directory is "SourceSink". +The SOURCESINK function provides these attributes in its function directory: + + pattern - 0 (all zeros), 1 (mod63), 2 (none) + isoc_interval - 1..16 + isoc_maxpacket - 0 - 1023 (fs), 0 - 1024 (hs/ss) + isoc_mult - 0..2 (hs/ss only) + isoc_maxburst - 0..15 (ss only) + bulk_buflen - buffer length + +Testing the SOURCESINK function +------------------------------- + +device: run the gadget +host: test-usb + +http://www.linux-usb.org/usbtest/testusb.c |