Failure to start: Could not set number of channels, invalid argument

[cjritola]

Latest git. Install from raspbian repos works but from git gives error for all sound devices.

$ direwolf -p
Dire Wolf version 1.5
Includes optional support for: cm108-ptt
Reading config file direwolf.conf
Audio device for both receive and transmit: hw:2,0 (channel 0)
Could not set number of audio channels.
Invalid argument
for hw:2,0 output.
Pointless to continue without audio device.

$ arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: Camera [USB 2.0 Camera], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Creation [Cable Creation], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0

$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Creation [Cable Creation], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0

$ cat direwolf.conf
CHANNEL 0
MYCALL AD8BS-5
MODEM 1200
TXDELAY 40
TXTAIL 8
FIX_BITS 1 AX25
AGWPORT 8001
KISSPORT 0
#FULLDUP ON
ADEVICE hw:2,0
#ARATE 44100
#ACHANNELS 2

$ uname -a
Linux banana 4.9.70-v7+ #1068 SMP Mon Dec 18 22:12:55 GMT 2017 armv7l GNU/Linux

[wb2osz]

The documentation says that you should use plughw:2,0 rather than hw:2,0. Does that help?

[cjritola]

That did the trick, thanks. Guess I missed that part.

Close/Invalid.