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.

Hans Verkuil committed 7 years ago

Commit aa50acc1 parent e76cbec2 files · +6 −0Browse files

Unified · Split

2 files

drivers/media/cec/cec-priv.h +5 −0
include/uapi/linux/cec.h +1 −0

drivers/media/cec/cec-priv.h+5−0

@@ -20,6 +20,11 @@ · 19 unmodified lines
20	20	/* devnode to cec_adapter */
21	21	#define to_cec_adapter(node) container_of(node, struct cec_adapter, devnode)
22	22
	23	+static inline bool msg_is_raw(const struct cec_msg *msg)
	24	+{
	25	+ return msg->flags & CEC_MSG_FL_RAW;
	26	+}
	27	+
23	28	/* cec-core.c */
24	29	extern int cec_debug;
25	30	int cec_get_device(struct cec_devnode *devnode);

include/uapi/linux/cec.h+1−0

@@ -144,6 +144,7 @@ static inline void cec_msg_set_reply_to(struct cec_msg *msg, · 143 unmodified lines
144	144
145	145	/* cec_msg flags field */
146	146	#define CEC_MSG_FL_REPLY_TO_FOLLOWERS (1 << 0)
	147	+#define CEC_MSG_FL_RAW (1 << 1)
147	148
148	149	/* cec_msg tx/rx_status field */
149	150	#define CEC_TX_STATUS_OK (1 << 0)