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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>
This commit is contained in:
Badhri Jagan Sridharan 2020-10-07 23:15:43 -07:00 committed by Greg Kroah-Hartman
parent 58ea326b22
commit b9358a0684
2 changed files with 8 additions and 0 deletions
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7
drivers/usb/typec/tcpm/tcpci.c
View File

@ -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) {

1
drivers/usb/typec/tcpm/tcpci.h
View File

@ -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);