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Subject: media: cec: CEC 2.0-only bcast messages were ignored Author: Hans Verkuil hverkuil-cisco@xs4all.nl Date: Wed Dec 4 08:52:08 2019 +0100

Some messages are allowed to be a broadcast message in CEC 2.0 only, and should be ignored by CEC 1.4 devices.

Unfortunately, the check was wrong, causing such messages to be marked as invalid under CEC 2.0.

Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Cc: stable@vger.kernel.org # for v4.10 and up Signed-off-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org

drivers/media/cec/cec-adap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)

---

diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 9340435a94a0..e90c30dac68b 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1085,11 +1085,11 @@ void cec_received_msg_ts(struct cec_adapter *adap, valid_la = false; else if (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED)) valid_la = false; - else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST1_4)) + else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST)) valid_la = false; else if (cec_msg_is_broadcast(msg) && - adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0 && - !(dir_fl & BCAST2_0)) + adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0 && + !(dir_fl & BCAST1_4)) valid_la = false; } if (valid_la && min_len) {