From 8c42e6aecb2462dc0fb28f0fe7f4561a69bb8b39 Mon Sep 17 00:00:00 2001
From: Huang-Huang Bao <eh5@sokka.cn>
Date: Sat, 5 Jun 2021 02:21:10 +0800
Subject: [PATCH] alsa,bluez5: handle SPA_PARAM_Latency in port_set_param

Simply return 0 instead of -ENOENT.

Fixes #1262
---
 spa/plugins/alsa/alsa-pcm-sink.c   | 16 ++++++++++++----
 spa/plugins/alsa/alsa-pcm-source.c |  4 +++-
 spa/plugins/alsa/alsa-seq-bridge.c |  4 +++-
 spa/plugins/bluez5/a2dp-sink.c     |  3 +++
 spa/plugins/bluez5/a2dp-source.c   |  3 +++
 spa/plugins/bluez5/sco-sink.c      |  3 +++
 spa/plugins/bluez5/sco-source.c    |  3 +++
 7 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/spa/plugins/alsa/alsa-pcm-sink.c b/spa/plugins/alsa/alsa-pcm-sink.c
index 6ae0dadf4..03dfd9d0b 100644
--- a/spa/plugins/alsa/alsa-pcm-sink.c
+++ b/spa/plugins/alsa/alsa-pcm-sink.c
@@ -553,16 +553,24 @@ impl_node_port_set_param(void *object,
 			 const struct spa_pod *param)
 {
 	struct state *this = object;
+	int res;
 
 	spa_return_val_if_fail(this != NULL, -EINVAL);
 
 	spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
 
-	if (id == SPA_PARAM_Format) {
-		return port_set_format(this, direction, port_id, flags, param);
+	switch (id) {
+	case SPA_PARAM_Format:
+		res = port_set_format(this, direction, port_id, flags, param);
+		break;
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
+	default:
+		res = -ENOENT;
+		break;
 	}
-	else
-		return -ENOENT;
+	return res;
 }
 
 static int
diff --git a/spa/plugins/alsa/alsa-pcm-source.c b/spa/plugins/alsa/alsa-pcm-source.c
index 5dcb95c00..4504ab9e5 100644
--- a/spa/plugins/alsa/alsa-pcm-source.c
+++ b/spa/plugins/alsa/alsa-pcm-source.c
@@ -560,7 +560,9 @@ impl_node_port_set_param(void *object,
 	case SPA_PARAM_Format:
 		res = port_set_format(this, direction, port_id, flags, param);
 		break;
-
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
 	default:
 		res = -ENOENT;
 		break;
diff --git a/spa/plugins/alsa/alsa-seq-bridge.c b/spa/plugins/alsa/alsa-seq-bridge.c
index 5280e5619..0ae77fb51 100644
--- a/spa/plugins/alsa/alsa-seq-bridge.c
+++ b/spa/plugins/alsa/alsa-seq-bridge.c
@@ -677,7 +677,9 @@ impl_node_port_set_param(void *object,
 	case SPA_PARAM_Format:
 		res = port_set_format(this, port, flags, param);
 		break;
-
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
 	default:
 		res = -ENOENT;
 		break;
diff --git a/spa/plugins/bluez5/a2dp-sink.c b/spa/plugins/bluez5/a2dp-sink.c
index be6b7efac..10adb8212 100644
--- a/spa/plugins/bluez5/a2dp-sink.c
+++ b/spa/plugins/bluez5/a2dp-sink.c
@@ -1208,6 +1208,9 @@ impl_node_port_set_param(void *object,
 	case SPA_PARAM_Format:
 		res = port_set_format(this, port, flags, param);
 		break;
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
 	default:
 		res = -ENOENT;
 		break;
diff --git a/spa/plugins/bluez5/a2dp-source.c b/spa/plugins/bluez5/a2dp-source.c
index 2934899fd..46ad23e46 100644
--- a/spa/plugins/bluez5/a2dp-source.c
+++ b/spa/plugins/bluez5/a2dp-source.c
@@ -1072,6 +1072,9 @@ impl_node_port_set_param(void *object,
 	case SPA_PARAM_Format:
 		res = port_set_format(this, port, flags, param);
 		break;
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
 	default:
 		res = -ENOENT;
 		break;
diff --git a/spa/plugins/bluez5/sco-sink.c b/spa/plugins/bluez5/sco-sink.c
index 3594523d9..f7cfe6a3e 100644
--- a/spa/plugins/bluez5/sco-sink.c
+++ b/spa/plugins/bluez5/sco-sink.c
@@ -998,6 +998,9 @@ impl_node_port_set_param(void *object,
 	case SPA_PARAM_Format:
 		res = port_set_format(this, port, flags, param);
 		break;
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
 	default:
 		res = -ENOENT;
 		break;
diff --git a/spa/plugins/bluez5/sco-source.c b/spa/plugins/bluez5/sco-source.c
index 03d87f97c..99a406aa7 100644
--- a/spa/plugins/bluez5/sco-source.c
+++ b/spa/plugins/bluez5/sco-source.c
@@ -1034,6 +1034,9 @@ impl_node_port_set_param(void *object,
 	case SPA_PARAM_Format:
 		res = port_set_format(this, port, flags, param);
 		break;
+	case SPA_PARAM_Latency:
+		res = 0;
+		break;
 	default:
 		res = -ENOENT;
 		break;