diff options
| author | Eric Herrmann <eherrmann@chromium.org> | 2020-07-09 15:26:24 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-07-14 01:23:14 +0000 |
| commit | 2c013315d4b8af170257bb26b794dab382fa3118 (patch) | |
| tree | 153d7751a29788c27191cc9227b71cf3626fe9a3 /driver/tcpm/tcpci.c | |
| parent | 8836c705860087bf2b80564f75050689a0159a04 (diff) | |
| download | chrome-ec-2c013315d4b8af170257bb26b794dab382fa3118.tar.gz | |
TCPCI: Update alert mask to allow FRS alerts
The TCPCI unmask init wasn't umasking the extended alerts. They need to
be unmasked for FRS detection.
FRS is only supported as part of the TCPCI spec Rev 2.0. In rev 1.0, the
relevant registers are reserved so Rev 1 TCPCs should ignore any writes.
BUG=b:148144711
TEST=make buildall
BRANCH=none
Change-Id: If3164dba508df5a8fe686ebc1130ac72293fb306
Signed-off-by: Eric Herrmann <eherrmann@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2290841
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'driver/tcpm/tcpci.c')
| -rw-r--r-- | driver/tcpm/tcpci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/driver/tcpm/tcpci.c b/driver/tcpm/tcpci.c index 651160f531..653d29e437 100644 --- a/driver/tcpm/tcpci.c +++ b/driver/tcpm/tcpci.c @@ -315,6 +315,9 @@ static int init_alert_mask(int port) if (TCPC_FLAGS_VSAFE0V(tcpc_config[port].flags)) mask |= TCPC_REG_ALERT_EXT_STATUS; + if (IS_ENABLED(CONFIG_USB_PD_FRS_TCPC)) + mask |= TCPC_REG_ALERT_ALERT_EXT; + /* Set the alert mask in TCPC */ rv = tcpc_write16(port, TCPC_REG_ALERT_MASK, mask); |