media: cec: add CEC_MSG_FL_RAW flag and msg_is_raw helper function

This adds the userspace API to send raw unchecked CEC messages.
This will require root permissions.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2019-04-23 08:44:59 -04:00 committed by Mauro Carvalho Chehab
parent e76cbec85e
commit aa50accfda
2 changed files with 6 additions and 0 deletions

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@ -20,6 +20,11 @@
/* devnode to cec_adapter */
#define to_cec_adapter(node) container_of(node, struct cec_adapter, devnode)
static inline bool msg_is_raw(const struct cec_msg *msg)
{
return msg->flags & CEC_MSG_FL_RAW;
}
/* cec-core.c */
extern int cec_debug;
int cec_get_device(struct cec_devnode *devnode);

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@ -144,6 +144,7 @@ static inline void cec_msg_set_reply_to(struct cec_msg *msg,
/* cec_msg flags field */
#define CEC_MSG_FL_REPLY_TO_FOLLOWERS (1 << 0)
#define CEC_MSG_FL_RAW (1 << 1)
/* cec_msg tx/rx_status field */
#define CEC_TX_STATUS_OK (1 << 0)