From: Hans Verkuil hans.verkuil@cisco.com
Support the CEC notifier framework, simplifying drivers that depend on this.
Signed-off-by: Hans Verkuil hans.verkuil@cisco.com Tested-by: Marek Szyprowski m.szyprowski@samsung.com --- drivers/media/cec/cec-core.c | 21 +++++++++++++++++++++ include/media/cec.h | 6 ++++++ 2 files changed, 27 insertions(+)
diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c index 37217e205040..2bab6e00b663 100644 --- a/drivers/media/cec/cec-core.c +++ b/drivers/media/cec/cec-core.c @@ -195,6 +195,23 @@ 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; + + 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 +360,10 @@ 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); diff --git a/include/media/cec.h b/include/media/cec.h index 96a0aa770d61..e6474b567a25 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -30,6 +30,7 @@ #include <linux/cec-funcs.h> #include <media/rc-core.h> #include <media/cec-edid.h> +#include <media/cec-notifier.h>
/** * struct cec_devnode - cec device node @@ -213,6 +214,11 @@ void cec_transmit_done(struct cec_adapter *adap, u8 status, u8 arb_lost_cnt, u8 nack_cnt, u8 low_drive_cnt, u8 error_cnt); void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg);
+#ifdef CONFIG_MEDIA_CEC_NOTIFIER +void cec_register_cec_notifier(struct cec_adapter *adap, + struct cec_notifier *notifier); +#endif + #else
static inline int cec_register_adapter(struct cec_adapter *adap,