diff options
| author | Badhri Jagan Sridharan <badhri@google.com> | 2020-10-07 23:15:43 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-08 09:27:42 +0200 |
| commit | b9358a068490d0a590a860a75869853f0b6e8aee (patch) | |
| tree | 50330aa29cd1c187aa938a57b423a57f24e34ae6 /drivers/usb | |
| parent | 58ea326b228c3525b234adcc49ba94e44ebf529b (diff) | |
| download | lwn-b9358a068490d0a590a860a75869853f0b6e8aee.tar.gz lwn-b9358a068490d0a590a860a75869853f0b6e8aee.zip | |
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.c | 7 | ||||
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpci.h | 1 |
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); |