cec-ctl: add --timeout option to override the default timeout.

The default 1000 ms timeout can now be overridden if desired.

There is generally no reason to do this other than debugging since
CEC devices are supposed to reply within a second.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/utils/cec-ctl/cec-ctl.cpp b/utils/cec-ctl/cec-ctl.cpp
index 2bf5d8d0..4f172644 100644
--- a/utils/cec-ctl/cec-ctl.cpp
+++ b/utils/cec-ctl/cec-ctl.cpp
@@ -661,6 +661,7 @@ enum Option {
 	OptAllowUnregFallback,
 	OptNoRC,
 	OptReplyToFollowers,
+	OptTimeout,
 	OptListUICommands,
 	OptRcTVProfile1,
 	OptRcTVProfile2,
@@ -718,6 +719,7 @@ static struct option long_options[] = {
 	{ "allow-unreg-fallback", no_argument, 0, OptAllowUnregFallback },
 	{ "no-rc-passthrough", no_argument, 0, OptNoRC },
 	{ "reply-to-followers", no_argument, 0, OptReplyToFollowers },
+	{ "timeout", required_argument, 0, OptTimeout },
 	{ "clear", no_argument, 0, OptClear },
 	{ "monitor", no_argument, 0, OptMonitor },
 	{ "monitor-all", no_argument, 0, OptMonitorAll },
@@ -786,6 +788,7 @@ static void usage(void)
 	       "  --allow-unreg-fallback   Allow fallback to Unregistered\n"
 	       "  --no-rc-passthrough      Disable the RC passthrough\n"
 	       "  --reply-to-followers     The reply will be sent to followers as well\n"
+	       "  --timeout=<ms>           Set the reply timeout in milliseconds (default is 1000 ms)\n"
 	       "  --list-ui-commands       List all UI commands that can be used with --user-control-pressed\n"
 	       "\n"
 	       "  --tv                     This is a TV\n"
@@ -1290,6 +1293,7 @@ int main(int argc, char **argv)
 	const message *opt;
 	msg_vec msgs;
 	char short_options[26 * 2 * 2 + 1];
+	__u32 timeout = 1000;
 	__u32 vendor_id = 0x000c03; /* HDMI LLC vendor ID */
 	__u16 phys_addr;
 	__u8 from = 0, to = 0;
@@ -1350,6 +1354,9 @@ int main(int argc, char **argv)
 		case OptTo:
 			to = strtoul(optarg, NULL, 0) & 0xf;
 			break;
+		case OptTimeout:
+			timeout = strtoul(optarg, NULL, 0) & 0xf;
+			break;
 		case OptNoReply:
 			reply = false;
 			break;
@@ -1902,6 +1909,7 @@ int main(int argc, char **argv)
 		       from, cec_msg_is_broadcast(&msg) ? 0xf : to);
 		msg.msg[0] |= (from << 4) | (cec_msg_is_broadcast(&msg) ? 0xf : to);
 		msg.flags = options[OptReplyToFollowers] ? CEC_MSG_FL_REPLY_TO_FOLLOWERS : 0;
+		msg.timeout = msg.reply ? timeout : 0;
 		log_msg(&msg);
 		if (doioctl(&node, CEC_TRANSMIT, &msg))
 			continue;