diff options
Diffstat (limited to 'drivers/media/cec/cec-core.c')
| -rw-r--r-- | drivers/media/cec/cec-core.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c index 37217e205040..e5070b374276 100644 --- a/drivers/media/cec/cec-core.c +++ b/drivers/media/cec/cec-core.c @@ -195,6 +195,24 @@ static void cec_devnode_unregister(struct cec_devnode *devnode) put_device(&devnode->dev); } +#ifdef CONFIG_MEDIA_CEC_NOTIFIER +static void cec_cec_notify(struct cec_adapter *adap, u16 pa) +{ + cec_s_phys_addr(adap, pa, false); +} + +void cec_register_cec_notifier(struct cec_adapter *adap, + struct cec_notifier *notifier) +{ + if (WARN_ON(!adap->devnode.registered)) + return; + + adap->notifier = notifier; + cec_notifier_register(adap->notifier, adap, cec_cec_notify); +} +EXPORT_SYMBOL_GPL(cec_register_cec_notifier); +#endif + struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops, void *priv, const char *name, u32 caps, u8 available_las) @@ -343,6 +361,10 @@ void cec_unregister_adapter(struct cec_adapter *adap) adap->rc = NULL; #endif debugfs_remove_recursive(adap->cec_dir); +#ifdef CONFIG_MEDIA_CEC_NOTIFIER + if (adap->notifier) + cec_notifier_unregister(adap->notifier); +#endif cec_devnode_unregister(&adap->devnode); } EXPORT_SYMBOL_GPL(cec_unregister_adapter); |
