diff options
| author | Pawel Laszczak <pawell@cadence.com> | 2021-03-08 13:53:38 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-11 14:47:16 +0200 |
| commit | 930d586646cf7688b2f7291a54b50506b9006389 (patch) | |
| tree | 9e10448f1dc912bf462bd5d069e401c5c58b8d77 /include | |
| parent | 6202e708f303b7c85d1cb56833d80a3ebb084252 (diff) | |
usb: gadget: uvc: add bInterval checking for HS mode
[ Upstream commit 26adde04acdff14a1f28d4a5dce46a8513a3038b ]
Patch adds extra checking for bInterval passed by configfs.
The 5.6.4 chapter of USB Specification (rev. 2.0) say:
"A high-bandwidth endpoint must specify a period of 1x125 µs
(i.e., a bInterval value of 1)."
The issue was observed during testing UVC class on CV.
I treat this change as improvement because we can control
bInterval by configfs.
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20210308125338.4824-1-pawell@gli-login.cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions