diff options
Diffstat (limited to 'drivers/usb/typec/bus.c')
| -rw-r--r-- | drivers/usb/typec/bus.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c index c950171556d8..052b8fb21344 100644 --- a/drivers/usb/typec/bus.c +++ b/drivers/usb/typec/bus.c @@ -126,7 +126,7 @@ int typec_altmode_exit(struct typec_altmode *adev) if (!adev || !adev->active) return 0; - if (!pdev->ops || !pdev->ops->enter) + if (!pdev->ops || !pdev->ops->exit) return -EOPNOTSUPP; /* Moving to USB Safe State */ @@ -146,12 +146,20 @@ EXPORT_SYMBOL_GPL(typec_altmode_exit); * * Notifies the partner of @adev about Attention command. */ -void typec_altmode_attention(struct typec_altmode *adev, u32 vdo) +int typec_altmode_attention(struct typec_altmode *adev, u32 vdo) { - struct typec_altmode *pdev = &to_altmode(adev)->partner->adev; + struct altmode *partner = to_altmode(adev)->partner; + struct typec_altmode *pdev; + + if (!partner) + return -ENODEV; + + pdev = &partner->adev; if (pdev->ops && pdev->ops->attention) pdev->ops->attention(pdev, vdo); + + return 0; } EXPORT_SYMBOL_GPL(typec_altmode_attention); |