commit 92cd14e460cd8043e65747d6ee859ef5140db007
author John Lai <johnlai@google.com> Tue May 03 20:55:10 2022 +0800
committer Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> Wed May 04 02:43:57 2022 +0000
tree be07c5dee35414f15976d20f85bb25653eda0360
parent fe4f4f635e1fe44b0d0c1de96c08c8a61389e1f3

bluetooth: poll GetBluezSinkHFPDevice

Poll the GetBluezSinkHFPDevice in StartPlayingAudioSubprocess to
make it more stable.

BUG=b:191722792
TEST=test_that bluetooth_AdapterAUHealth. \
        au_hfp_wbs_dut_as_source_back2back_test

Change-Id: Iada1fba0300d0cc5e4422a707358bc459b9cdba8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/chameleon/+/3622994
Tested-by: John Lai <johnlai@google.com>
Reviewed-by: Shyh-In Hwang <josephsih@chromium.org>
Commit-Queue: John Lai <johnlai@google.com>
Auto-Submit: John Lai <johnlai@google.com>

chameleond/utils/bluetooth_audio.py

diff --git a/chameleond/utils/bluetooth_audio.py b/chameleond/utils/bluetooth_audio.py
index 64b025b..01f3a3b 100644
--- a/chameleond/utils/bluetooth_audio.py
+++ b/chameleond/utils/bluetooth_audio.py
@@ -409,17 +409,16 @@
           'Trying to start audio playing process when it is still running.')
       return False
 
-    device_number = self.GetBluezSinkHFPDevice(audio_profile)
+    device_number = self._PollForCondition(
+        lambda: self.GetBluezSinkHFPDevice(audio_profile),
+        desc='GetBluezSinkHFPDevice')
     if device_number is None:
       logging.error('Failed to get the device number of bluez_sink for HFP')
       return False
 
-
     self._profile = test_data
     file_path = test_data['device_file']
 
-
-
     sample_format = test_data['format'].lower().replace('_', '')
 
     args = '--playback --device={d} --file-format=wav --format={s} --rate={r} '