diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2015-01-23 10:58:02 -0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-01-24 00:32:33 +0000 |
| commit | 6f4af268099881e5b75520c76ac65223453ce1d5 (patch) | |
| tree | 943088558ddb766f516341ecc3e2fc0a76bb91c6 /include | |
| parent | c1717516549d16f9230d6e1123c647f2d3c7b62e (diff) | |
| download | chrome-ec-6f4af268099881e5b75520c76ac65223453ce1d5.tar.gz | |
pd: poll PD events only on Google accessories
Poll USB PD accessories for event log entries only after we have
performed a Discover Identity and identified them as a Google device
(USB VID = 0x18d1) in order to avoid confusing third party devices with
our logging VDM.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=samus
BUG=chrome-os-partner:35858
TEST=connect Zinger to Samus and see the proper PD log entries.
Change-Id: I022fa0d19dc012e46a27b786a724ff251280eeaf
Reviewed-on: https://chromium-review.googlesource.com/242871
Reviewed-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/usb_pd.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/usb_pd.h b/include/usb_pd.h index 2a473bb628..f2358d02b3 100644 --- a/include/usb_pd.h +++ b/include/usb_pd.h @@ -939,6 +939,14 @@ uint32_t pd_dfp_exit_mode(int port); void pd_dfp_pe_init(int port); /** + * Return the VID of the USB PD accessory connected to a specified port + * + * @param port USB-C port number + * @return the USB Vendor Identifier or 0 if it doesn't exist + */ +uint16_t pd_get_identity_vid(int port); + +/** * Store Device ID & RW hash of device * * @param port USB-C port number |