From b9358a068490d0a590a860a75869853f0b6e8aee Mon Sep 17 00:00:00 2001 From: Badhri Jagan Sridharan Date: Wed, 7 Oct 2020 23:15:43 -0700 Subject: [PATCH] usb: typec: tcpci: Add set_vbus tcpci callback set_vbus callback allows TCPC which are TCPCI based, however, does not support turning on sink and source mode through Command.SinkVbus and Command.SourceVbusDefaultVoltage. Signed-off-by: Badhri Jagan Sridharan Reviewed-by: Heikki Krogerus Link: https://lore.kernel.org/r/20201008061556.1402293-3-badhri@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/typec/tcpm/tcpci.c | 7 +++++++ drivers/usb/typec/tcpm/tcpci.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index b960fe5..d6a6fac 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -328,6 +328,13 @@ static int tcpci_set_vbus(struct tcpc_dev *tcpc, bool source, bool sink) struct tcpci *tcpci = tcpc_to_tcpci(tcpc); int ret; + if (tcpci->data->set_vbus) { + ret = tcpci->data->set_vbus(tcpci, tcpci->data, source, sink); + /* Bypass when ret > 0 */ + if (ret != 0) + return ret < 0 ? ret : 0; + } + /* Disable both source and sink first before enabling anything */ if (!source) { diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h index 04c49a0..4d441bd 100644 --- a/drivers/usb/typec/tcpm/tcpci.h +++ b/drivers/usb/typec/tcpm/tcpci.h @@ -144,6 +144,7 @@ struct tcpci_data { bool enable); int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data, enum typec_cc_status cc); + int (*set_vbus)(struct tcpci *tcpci, struct tcpci_data *data, bool source, bool sink); }; struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data); -- 2.7.4