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 <bad...@google.com>
Reviewed-by: Heikki Krogerus <heikki.kroge...@linux.intel.com>
---
Changes since v1:
- Changing patch version to v6 to fix version number confusion.

Changes since v6:
- Rebase on usb-next

Changes since v7:
- Added Reviewed-by: Heikki
- Rebase change

Change since v8:
- None

Change since v9:
- None
---
 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 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);
-- 
2.28.0.806.g8561365e88-goog

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