[alsa-devel] Can't use bluetooth headset after upgrade of alsa/bluez with fedora 11

[Ted T. Logan]

ALSA lib pcm_bluetooth.c:1607:(audioservice_expect) BT_OPEN failed : 
Invalid argument(22)

** WARNING **: alsa_setup(): Unable to install hw params

I get this all the time now.  What does this error mean?



arecord -D bluetoothh550 -f S16_LE | aplay -D bluetoothh550 -f S16_LE
Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 8000 Hz, Mono
ALSA lib pcm_bluetooth.c:1607:(audioservice_expect) BT_OPEN failed : 
Invalid argument(22)
arecord: set_params:1041: Unable to install hw params:
ACCESS:  RW_INTERLEAVED
FORMAT:  S16_LE
SUBFORMAT:  STD
SAMPLE_BITS: 16
FRAME_BITS: 16
CHANNELS: 1
RATE: 8000
PERIOD_TIME: 125000
PERIOD_SIZE: 1000
PERIOD_BYTES: 2000
PERIODS: 4
BUFFER_TIME: 500000
BUFFER_SIZE: 4000
BUFFER_BYTES: 8000
TICK_TIME: [0 0]
aplay: playback:2297: read error



and here with mplayer


Playing skypering.wav.
Audio only file format detected.
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 16000 Hz, 2 ch, s16le, 512.0 kbit/100.00% (ratio: 64000->64000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
[AO_ALSA] alsa-lib: pcm_bluetooth.c:1607:(audioservice_expect) BT_OPEN 
failed : Invalid argument(22)
[AO_ALSA] Unable to set hw-parameters: Invalid argument
Failed to initialize audio driver 'alsa:device=bluetoothh550'
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video