diff options
Diffstat (limited to 'drivers/usb/typec')
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpci.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index a56e31b20c21..2a951c585e92 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -949,6 +949,8 @@ static int tcpci_probe(struct i2c_client *client) if (err < 0) goto unregister_port; + device_set_wakeup_capable(chip->tcpci->dev, true); + return 0; unregister_port: @@ -969,6 +971,36 @@ static void tcpci_remove(struct i2c_client *client) tcpci_unregister_port(chip->tcpci); } +static int tcpci_suspend(struct device *dev) +{ + struct i2c_client *i2c = to_i2c_client(dev); + struct tcpci_chip *chip = i2c_get_clientdata(i2c); + int ret; + + if (device_may_wakeup(dev)) + ret = enable_irq_wake(i2c->irq); + else + ret = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, 0); + + return ret; +} + +static int tcpci_resume(struct device *dev) +{ + struct i2c_client *i2c = to_i2c_client(dev); + struct tcpci_chip *chip = i2c_get_clientdata(i2c); + int ret; + + if (device_may_wakeup(dev)) + ret = disable_irq_wake(i2c->irq); + else + ret = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, chip->tcpci->alert_mask); + + return ret; +} + +DEFINE_SIMPLE_DEV_PM_OPS(tcpci_pm_ops, tcpci_suspend, tcpci_resume); + static const struct i2c_device_id tcpci_id[] = { { "tcpci" }, { } @@ -987,6 +1019,7 @@ MODULE_DEVICE_TABLE(of, tcpci_of_match); static struct i2c_driver tcpci_i2c_driver = { .driver = { .name = "tcpci", + .pm = pm_sleep_ptr(&tcpci_pm_ops), .of_match_table = of_match_ptr(tcpci_of_match), }, .probe = tcpci_probe, |