[PATCH 05/14 v5] usb: typec: tcpci: Add set_vbus tcpci callback
From: Badhri Jagan Sridharan
Date: Tue Aug 25 2020 - 00:23:48 EST
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@xxxxxxxxxx>
---
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 7b7991c8ac87..89d28e3fbee8 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);
--
2.28.0.297.g1956fa8f8d-goog