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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 089/243] media: cec: report Vendor ID after initialization
Date:   Wed, 11 Dec 2019 16:04:11 +0100
Message-Id: <20191211150345.118157738@linuxfoundation.org>
In-Reply-To: <20191211150339.185439726@linuxfoundation.org>
References: <20191211150339.185439726@linuxfoundation.org>
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From: Hans Verkuil <hverkuil-cisco@xs4all.nl>

[ Upstream commit 7f02ac77c768ba2bcdd0ce719c1fca0870ffe2fb ]

The CEC specification requires that the Vendor ID (if any) is reported
after a logical address was claimed.

This was never done, so add support for this.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/media/cec/cec-adap.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 4a15d53f659ec..dd6f3e6ce0062 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -1437,6 +1437,13 @@ configured:
 			las->log_addr[i],
 			cec_phys_addr_exp(adap->phys_addr));
 		cec_transmit_msg_fh(adap, &msg, NULL, false);
+
+		/* Report Vendor ID */
+		if (adap->log_addrs.vendor_id != CEC_VENDOR_ID_NONE) {
+			cec_msg_device_vendor_id(&msg,
+						 adap->log_addrs.vendor_id);
+			cec_transmit_msg_fh(adap, &msg, NULL, false);
+		}
 	}
 	adap->kthread_config = NULL;
 	complete(&adap->config_completion);
-- 
2.20.1