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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2019-10-01 04:56:38 -0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-10-07 07:54:59 -0300
commit9b211f9c5a0b67afc435b86f75d78273b97db1c5 (patch)
tree3bd040f87a89a942e4af21e104affd9ab78656e0 /include/uapi/linux/cec-funcs.h
parent649cd16c438f51d4cd777e71ca1f47f6e0c5e65d (diff)
media: cec-funcs.h: add status_req checks
The CEC_MSG_GIVE_DECK_STATUS and CEC_MSG_GIVE_TUNER_DEVICE_STATUS commands both have a status_req argument: ON, OFF, ONCE. If ON or ONCE, then the follower will reply with a STATUS message. Either once or whenever the status changes (status_req == ON). If status_req == OFF, then it will stop sending continuous status updates, but the follower will *not* send a STATUS message in that case. This means that if status_req == OFF, then msg->reply should be 0 as well since no reply is expected in that case. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/uapi/linux/cec-funcs.h')
-rw-r--r--include/uapi/linux/cec-funcs.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/uapi/linux/cec-funcs.h b/include/uapi/linux/cec-funcs.h
index 8997d5068c08..4511b85c84df 100644
--- a/include/uapi/linux/cec-funcs.h
+++ b/include/uapi/linux/cec-funcs.h
@@ -923,7 +923,8 @@ static inline void cec_msg_give_deck_status(struct cec_msg *msg,
msg->len = 3;
msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS;
msg->msg[2] = status_req;
- msg->reply = reply ? CEC_MSG_DECK_STATUS : 0;
+ msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ?
+ CEC_MSG_DECK_STATUS : 0;
}
static inline void cec_ops_give_deck_status(const struct cec_msg *msg,
@@ -1027,7 +1028,8 @@ static inline void cec_msg_give_tuner_device_status(struct cec_msg *msg,
msg->len = 3;
msg->msg[1] = CEC_MSG_GIVE_TUNER_DEVICE_STATUS;
msg->msg[2] = status_req;
- msg->reply = reply ? CEC_MSG_TUNER_DEVICE_STATUS : 0;
+ msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ?
+ CEC_MSG_TUNER_DEVICE_STATUS : 0;
}
static inline void cec_ops_give_tuner_device_status(const struct cec_msg *msg,