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Pawel Laszczak 4cc65c749d 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>
2021-05-11 14:04:05 +02:00
arch arm64: dts: mt8173: fix property typo of 'phys' in dsi node 2021-05-11 14:04:02 +02:00
block
certs
crypto crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
Documentation
drivers usb: gadget: uvc: add bInterval checking for HS mode 2021-05-11 14:04:05 +02:00
fs btrfs: fix metadata extent leak after failure to create subvolume 2021-05-11 14:04:04 +02:00
include crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-11 14:04:05 +02:00
init
ipc
kernel posix-timers: Preserve return value in clock_adjtime32() 2021-05-11 14:04:04 +02:00
lib
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net
samples
scripts
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sound ALSA: usb-audio: Add MIDI quirk for Vox ToneLab EX 2021-05-07 10:51:37 +02:00
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Makefile Linux 5.4.117 2021-05-07 10:51:38 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.