diff options
| author | tongjian <tongjian@huaqin.corp-partner.google.com> | 2021-04-23 15:07:58 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-04-27 02:40:21 +0000 |
| commit | 9b660a8b90ad7f9f133a2ea56bc1593765286ce9 (patch) | |
| tree | 5e0a11e1a2ad91b8426cbb90bf7471346ec6a2d4 /include | |
| parent | a019f80fe9042331d897a23bd5476ecfde92478f (diff) | |
| download | chrome-ec-9b660a8b90ad7f9f133a2ea56bc1593765286ce9.tar.gz | |
Coachz:PS8XXX: Add 5ms delay to make CC being judged corrently
This may be a PS8XXX firmware issue, Parade is still trying.
BUG=b:185202064
TEST=emerge-strongbad chromeos-ec
0. Insert the Dock to the typeC ports and shutdown the devices;
2. Press powerbutton and poweron the unit;
3. Use lsusb command, list can not find the Dock information;
4. Can find the Dock.
BRANCH=Trogdor
Signed-off-by: tongjian <tongjian@huaqin.corp-partner.google.com>
Change-Id: Ib667df88549fc9e4f0e4603574af5d70ef326e11
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2847867
Reviewed-by: Rock Chiu <rock.chiu@paradetech.corp-partner.google.com>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/driver/tcpm/ps8xxx_public.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/driver/tcpm/ps8xxx_public.h b/include/driver/tcpm/ps8xxx_public.h index d84b63eb9a..690d96c2ba 100644 --- a/include/driver/tcpm/ps8xxx_public.h +++ b/include/driver/tcpm/ps8xxx_public.h @@ -28,6 +28,15 @@ struct usb_mux; /* Delay from power on to reset de-asserted */ #define PS8815_PWR_H_RST_H_DELAY_MS 20 + +/* + * Add delay of writing TCPC_REG_POWER_CTRL makes + * CC status being judged correctly when disable VCONN. + * This may be a PS8XXX firmware issue, Parade is still trying. + * https://partnerissuetracker.corp.google.com/issues/185202064 + */ +#define PS8XXX_VCONN_TURN_OFF_DELAY_US 5 + /* * Delay between releasing reset and the first I2C read * |