diff options
| author | Ayushee <ayushee.shah@intel.com> | 2020-10-08 16:31:53 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-10-14 20:33:13 +0000 |
| commit | e4c3ec56c5002ce4ed425495eaa50379d9eb3b96 (patch) | |
| tree | 153bc7d0ea9f2b688e6b38b9c23c04d8b93fc324 /include/usb_mode.h | |
| parent | 913b68e8e43d5700e3432148b33428e1e1ce0d79 (diff) | |
| download | chrome-ec-e4c3ec56c5002ce4ed425495eaa50379d9eb3b96.tar.gz | |
TCPMv2: Avoid alt mode files from changing DPM states
USB4 mode:
Added a function to check if the USB4 entry is completed
Thunderbolt mode:
Added 2 flags TBT_RETRY_DONE, TBT_EXIT_DONE to track the
Thunderbolt mode's exit and if retry is needed and a new function
to check if if the Thunderbolt mode entry is completed
DisplayPort mode:
Added a function to check if the DisplayPort entry is completed
BUG=b:169169804
BRANCH=None
TEST=1. Able to enter alternate mode on hotplug and reboot
2. Able to exit the alternate mode on chipset transition and on
DPM's exit mode request.
Change-Id: I09662449143ad8d94b30ae102ed5ce79db852687
Signed-off-by: Ayushee <ayushee.shah@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2421425
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'include/usb_mode.h')
| -rw-r--r-- | include/usb_mode.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/usb_mode.h b/include/usb_mode.h index a479c36d5c..7c125e1406 100644 --- a/include/usb_mode.h +++ b/include/usb_mode.h @@ -24,6 +24,15 @@ void enter_usb_init(int port); /* + * Checks weather the mode entry sequence for USB4 is done for a port. + * + * @param port USB-C port number + * @return True if entry sequence for USB4 is completed + * False otherwise + */ +bool enter_usb_entry_is_done(int port); + +/* * Resets USB4 state and mux state. * * @param port USB-C port number |