diff options
| author | Eric Yilun Lin <yllin@chromium.org> | 2021-04-27 16:53:11 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-04-28 05:25:48 +0000 |
| commit | 688f36f9861874d4cd89b64bcc551a5d19e157c7 (patch) | |
| tree | 0ea5021298810e8744dd48c4618053ac29aa285f | |
| parent | b33d94e0a4ab48c82580eda38a62a93f108836f0 (diff) | |
| download | chrome-ec-stabilize-13942.B-main.tar.gz | |
asurada: inform usb_charger of VBUS changestabilize-13942.B-main
Since we do not use PPC for detecting VBUS in the
following revision(hayato>=4), we should inform the usb_charger
of VBUS status change.
BUG=b:186366435
TEST=ectool usbpdpower showed disconnected if unplug adapter
BRANCH=ASURADA
Change-Id: Iafa37bd926a0f42d660e79a78612819848b738ae
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2853088
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Commit-Queue: Eric Yilun Lin <yllin@google.com>
Tested-by: Eric Yilun Lin <yllin@google.com>
| -rw-r--r-- | baseboard/asurada/usb_pd_policy.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/baseboard/asurada/usb_pd_policy.c b/baseboard/asurada/usb_pd_policy.c index f9b8bb6cd1..1dbdd0cf40 100644 --- a/baseboard/asurada/usb_pd_policy.c +++ b/baseboard/asurada/usb_pd_policy.c @@ -3,6 +3,7 @@ * found in the LICENSE file. */ #include "adc.h" +#include "atomic.h" #include "charge_manager.h" #include "chipset.h" #include "timer.h" @@ -149,6 +150,9 @@ __override void svdm_exit_dp_mode(int port) int pd_snk_is_vbus_provided(int port) { + static int vbus_prev[CONFIG_USB_PD_PORT_MAX_COUNT]; + int vbus; + if ((IS_ENABLED(BOARD_HAYATO) && board_get_version() < 4) || (IS_ENABLED(BOARD_SPHERION) && board_get_version() < 1)) return ppc_is_vbus_present(port); @@ -157,8 +161,23 @@ int pd_snk_is_vbus_provided(int port) * (b:181203590#comment20) TODO(yllin): use * PD_VSINK_DISCONNECT_PD for non-5V case. */ - return adc_read_channel(board_get_vbus_adc(port)) >= + vbus = adc_read_channel(board_get_vbus_adc(port)) >= PD_V_SINK_DISCONNECT_MAX; + +#ifdef CONFIG_USB_CHARGER + /* + * There's no PPC to inform VBUS change for usb_charger, so inform + * the usb_charger now. + */ + if (!!(vbus_prev[port] != vbus)) + usb_charger_vbus_change(port, vbus); + + if (vbus) + atomic_or(&vbus_prev[port], 1); + else + atomic_clear(&vbus_prev[port]); +#endif + return vbus; } void pd_power_supply_reset(int port) |