[LAD] Jack not starting MOD-Duos Audio Interface Driver

Rafael Guayer rafael at portalmod.com.br
Wed Oct 22 19:40:42 UTC 2014


[root at alarm ~]# jackd -dalsa -r48000 -p256 -P hw:0 -C hw:0 &
[1] 361
[root at alarm ~]# jackdmp 1.9.10
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2014 Grame.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
JACK server starting in realtime mode with priority 10
self-connect-mode is "Don't restrict self connect requests"
creating alsa driver ... hw:0|hw:0|256|2|48000|0|0|nomon|swmeter|-|32bit
<4>sunxi-i2s sunxi-i2s.0: Not enforcing symmetric_rates due to race
[  176.991020] sunxi-i2s sunxi-i2s.0: Not enforcing symmetric_rates due to
<4>cs4245-codec 1-004c: Not enforcing symmetric_rates due to race
[  177.003886] cs4245-codec 1-004c: Not enforcing symmetric_rates due to
configuring for 48000Hz, period = 256 frames (5.3 ms), buffer = 2 periods
Sorry. The audio interface "hw:0" doesn't support any of the hardware
sample formats that JACK's alsa-driver can use.
ALSA: cannot configure capture channel
Cannot initialize driver
JackServer::Open failed with -1
Failed to open server

I am working with S24_LE on CODEC Cirrus Logic CS4245. Does S24_LE works
with jack?

Thanks in advance.

2014-10-22 17:39 GMT-02:00 Rafael Guayer <rafael at portalmod.com.br>:

> Hi,
> I developed an aSoC driver for MOD-Duos Sound Card and i can aplay and
> arecord, but when calling jackd (jackd -dalsa -r48000 -p256 -P hw:0 -C hw:0
> &) i get an alsa format error.
> I get this message:
> --
> Rafael Guayer
> www.portalmod.com <http://www.portalmod.com.br>

Rafael Guayer
www.portalmod.com <http://www.portalmod.com.br>
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