Commit 691c3db0 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

media: cec-adap.c: log when claiming LA fails unexpectedly 



If there is a hardware problem such as someone pulling the CEC line low
continuously, then the POLL message will fail with an error other than
OK, NACK, ABORTED or TIMEOUT. Log the tx_status value in that case to
help debug this.

Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent b9629c55

drivers/media/cec/core/cec-adap.c

+4 −1
Original line number Diff line number Diff line
@@ -1309,8 +1309,11 @@ static int cec_config_log_addr(struct cec_adapter *adap, 
	 * we assume that something is really weird and that it is not a

	 * good idea to try and claim this logical address.

	 */

	if (i == max_retries)

	if (i == max_retries) {

		dprintk(0, "polling for LA %u failed with tx_status=0x%04x\n",

			log_addr, msg.tx_status);

		return 0;

	}



	/*

	 * Message not acknowledged, so this logical