diff options
| author | Badhri Jagan Sridharan <badhri@google.com> | 2020-12-10 23:11:45 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-11 11:13:55 +0100 |
| commit | 3b6c3d04808965167ff19d028789bc92a4b12c8c (patch) | |
| tree | a700a98410328b54acd902241f5f3acc7e5a6c63 /drivers/usb | |
| parent | ecf4d4310a16c32fee081924a1aebe9f4c7c0403 (diff) | |
| download | linux-3b6c3d04808965167ff19d028789bc92a4b12c8c.tar.gz linux-3b6c3d04808965167ff19d028789bc92a4b12c8c.tar.bz2 linux-3b6c3d04808965167ff19d028789bc92a4b12c8c.zip | |
usb: typec: tcpci: Enable bleed discharge when auto discharge is enabled
Auto discharge circuits kick in only when vbus decays and reaches
VBUS_SINK_DISCONNECT_THRESHOLD threshold. Enable bleed discharge to
discharge vbus to VBUS_SINK_DISCONNECT_THRESHOLD upon disconnect.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20201211071145.2199997-1-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index af5524338a63..f676abab044b 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -725,6 +725,8 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data) tcpci->tcpc.enable_auto_vbus_discharge = tcpci_enable_auto_vbus_discharge; tcpci->tcpc.set_auto_vbus_discharge_threshold = tcpci_set_auto_vbus_discharge_threshold; + regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL, TCPC_POWER_CTRL_BLEED_DISCHARGE, + TCPC_POWER_CTRL_BLEED_DISCHARGE); } if (tcpci->data->vbus_vsafe0v) |