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e3c1e2265c
In some cases, we want to be able to dynamically modify a few bytes in the USB descriptor (in our case, length of referenced items), but it could also be other things like flags. These 2 new functions allow to keep all the USB descriptor in flash, and modify these few bytes before writing them in the USB buffer. BRANCH=none BUG=b:37447752 TEST=Flash hammer, USB descriptors are valid. Change-Id: I8624255fa43f52a0aaa21d20e963f3974f236912 Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/771057 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly