diff options
Diffstat (limited to 'meta-audio-4a-framework/recipes-connectivity')
2 files changed, 37 insertions, 1 deletions
diff --git a/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa/0004-bluealsa-pcm-bump-the-trigger-after-pcm-prepare.patch b/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa/0004-bluealsa-pcm-bump-the-trigger-after-pcm-prepare.patch new file mode 100644 index 00000000..7befe733 --- /dev/null +++ b/meta-audio-4a-framework/recipes-connectivity/bluez-alsa/bluez-alsa/0004-bluealsa-pcm-bump-the-trigger-after-pcm-prepare.patch @@ -0,0 +1,35 @@ +From ba292e82928a6a0ea663039ba2d5c030c4cfa80d Mon Sep 17 00:00:00 2001 +From: Thierry Bultel <thierry.bultel@iot.bzh> +Date: Fri, 8 Feb 2019 10:21:55 +0100 +Subject: [PATCH] bluealsa-pcm: bump the trigger after pcm prepare + +When a sound application recovers from a EPIPE by calling +snd_pcm_prepare, and goes immediately after to a call to poll, +it would be stuck forever unless the internal event trigger +is bumped. + +Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh> +--- + src/asound/bluealsa-pcm.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/src/asound/bluealsa-pcm.c b/src/asound/bluealsa-pcm.c +index 42cb61d..4ccbf0d 100644 +--- a/src/asound/bluealsa-pcm.c ++++ b/src/asound/bluealsa-pcm.c +@@ -351,6 +351,12 @@ static int bluealsa_prepare(snd_pcm_ioplug_t *io) { + pcm->io_ptr = 0; + + debug("Prepared: %d", pcm->fd); ++ ++ /* When the sound application calls poll just after snd_pcm_prepare, ++ * it would block forever unless the internal trigger is bumped ++ * */ ++ eventfd_write(pcm->event_fd, 1); ++ + return 0; + } + +-- +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 70c731a6..ece43824 100644 --- 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 @@ -4,6 +4,7 @@ # the list of audio transports from bluez-alsa # - patch 2 makes the "debug" macro always display the caller name # - patch 3 asks dbus for a name like 'org.bluez-alsa.hciX' where hciX +# - patch 4 is a bug fix # name of the HCI interface that the bluealsa daemon instance is handling # # Notice that patch 2 will very likely be replaced by a full dbus interface @@ -15,4 +16,4 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" SRC_URI += "file://0001-build-and-link-with-a-shared-library.patch" SRC_URI += "file://0002-log-add-calling-function-name.patch" SRC_URI += "file://0003-dbus-request-a-name-on-startup.patch" - +SRC_URI += "file://0004-bluealsa-pcm-bump-the-trigger-after-pcm-prepare.patch" |