bluez-alsa: added patch for null device

This closes the transport connection when a null device is
specified.

Change-Id: I6d69c68a2ca91bd9fb3d7fdf51f470f243e76d5f
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>

diff --git a/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa/0002-proxy-plugin-close-transport-when-null-device-is-set.patch b/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa/0002-proxy-plugin-close-transport-when-null-device-is-set.patch
new file mode 100644 (file)
index 0000000..d21555e
--- /dev/null
+++ b/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa/0002-proxy-plugin-close-transport-when-null-device-is-set.patch
@@ -0,0 +1,46 @@
+From 39f578d2c44fef9fd2e105eb7594a2d249152e63 Mon Sep 17 00:00:00 2001
+From: Thierry Bultel <thierry.bultel@iot.bzh>
+Date: Mon, 10 Sep 2018 14:56:14 +0200
+Subject: [PATCH] proxy plugin: close transport when null device is set
+
+Simply closes the transport when bluealsa_proxy_set_remote_device
+specifies a null device.
+Also removed spurious log.
+
+Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
+---
+ src/asound/bluealsa-pcm-proxy.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/src/asound/bluealsa-pcm-proxy.c b/src/asound/bluealsa-pcm-proxy.c
+index 4abab2b..7c59cd1 100644
+--- a/src/asound/bluealsa-pcm-proxy.c
++++ b/src/asound/bluealsa-pcm-proxy.c
+@@ -130,7 +130,7 @@ static void *io_thread(void *arg) {
+ 
+ wait_pcm_fd:
+ 
+-      debug("PLUGIN io-thread: wait for pcm_fd\n");
++      //debug("PLUGIN io-thread: wait for pcm_fd\n");
+ 
+       /* In the capture mode, the PCM FIFO is opened in the non-blocking mode.
+        * So right now, we have to synchronize write and read sides, otherwise
+@@ -784,7 +784,14 @@ int bluealsa_proxy_set_remote_device(const char * interface, const char * device
+ 
+       enum pcm_type type;
+ 
+-      if (device == NULL || str2ba(device, &the_pcm->addr) != 0) {
++      /* When the hardware address is NULL, just close the connection */
++      if (device == NULL ) {
++              close_bluez_connection();
++              ret = 0;
++              goto failed;
++      }
++
++      if ( str2ba(device, &the_pcm->addr) != 0) {
+               SNDERR("Invalid BT device address: %s", device);
+               ret = -EINVAL;
+               goto failed;
+-- 
+2.16.4
+

diff --git a/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa_git.bbappend b/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa_git.bbappend
index 0c2ddee..ecb73b3 100644 (file)
--- a/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa_git.bbappend
+++ b/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa_git.bbappend
@@ -3,6 +3,7 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
 SRC_URI += "file://0001-Added-a-connection-proxy-plugin.patch"
+SRC_URI += "file://0002-proxy-plugin-close-transport-when-null-device-is-set.patch"
 
 FILES_${PN} += "\
   ${libdir}/alsa-lib/libasound_module_pcm_bluealsa_proxy.so\