From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This attempts to resend a control PDU is not passthrough as the control
channel is considered unreliable packets may be lost.
---
profiles/audio/avctp.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/profiles/audio/avctp.c b/profiles/audio/avctp.c
index 174f401d6..0d395814c 100644
--- a/profiles/audio/avctp.c
+++ b/profiles/audio/avctp.c
@@ -157,6 +157,7 @@ struct avctp_pending_req {
struct avctp_channel *chan;
uint8_t transaction;
guint timeout;
+ bool retry;
int err;
avctp_process_cb process;
void *data;
@@ -775,9 +776,16 @@ static gboolean req_timeout(gpointer user_data)
struct avctp_channel *chan = user_data;
struct avctp_pending_req *p = chan->p;
- DBG("transaction %u", p->transaction);
+ DBG("transaction %u retry %s", p->transaction, p->retry ? "true" :
+ "false");
p->timeout = 0;
+
+ if (p->retry) {
+ p->process(p->data);
+ return FALSE;
+ }
+
p->err = -ETIMEDOUT;
pending_destroy(p, NULL);
@@ -801,6 +809,9 @@ static int process_control(void *data)
if (ret < 0)
return ret;
+ if (req->op != AVC_OP_PASSTHROUGH)
+ p->retry = !p->retry;
+
p->timeout = g_timeout_add_seconds(CONTROL_TIMEOUT, req_timeout,
p->chan);
--
2.13.6
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