summaryrefslogtreecommitdiff
path: root/drivers/usb
diff options
context:
space:
mode:
authorBadhri Jagan Sridharan <badhri@google.com>2020-10-07 23:15:43 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-08 09:27:42 +0200
commitb9358a068490d0a590a860a75869853f0b6e8aee (patch)
tree50330aa29cd1c187aa938a57b423a57f24e34ae6 /drivers/usb
parent58ea326b228c3525b234adcc49ba94e44ebf529b (diff)
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 <badhri@google.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20201008061556.1402293-3-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.c7
-rw-r--r--drivers/usb/typec/tcpm/tcpci.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index b960fe5a0f28..d6a6fac82d48 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 04c49a0b0368..4d441bdf24d5 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);