On Thu, Jun 25, 2015 at 8:43 AM, <[email protected]> wrote: > Hi Robert > >> Then from /boot/uEnv.txt: >> >> cape_enable=bone_capemgr.enable_partno=BB-BONE-AUDI-02 > > Cool. Glad to be able to add something to the mix. It looks like it is hooked > up at boot. > > root@arm:~# cat /sys/devices/platform/bone_capemgr/slots > 0: PF---- -1 > 1: PF---- -1 > 2: PF---- -1 > 3: PF---- -1 > 4: P-O-L- 0 Override Board Name,00A0,Override Manuf,BB-BONE-AUDI-02 > > root@arm:~# aplay -l > **** List of PLAYBACK Hardware Devices **** > card 0: EVM [DA830 EVM], device 0: AIC3X tlv320aic3x-hifi-0 [] > Subdevices: 1/1 > Subdevice #0: subdevice #0
Sweet! ;) > > But then ... > > Playing WAVE 'sine2s.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo > [ 37.697454] davinci-mcasp 48038000.mcasp: Transmit buffer underflow > underrun!!! (at least 0.330 ms long) > > root@arm:~# arecord -r 44100 -f S16_LE -c 2 input.wav > Recording WAVE 'input.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, > Stereo > [ 148.568630] davinci-mcasp 48038000.mcasp: Receive buffer overflow > overrun!!! (at least 0.083 ms long) > [ 148.576993] davinci-mcasp 48038000.mcasp: Receive buffer overflow > overrun!!! (at least 2.847 ms long) > --------------------------snip!--------------------------------------- Yuck bugs.. Looking at... http://mailman.alsa-project.org/pipermail/alsa-devel/2014-November/083797.html Does it help to bump the cpufreq up before you try using it? sudo cpufreq-set -g performance No obvious fixes in next: https://git.kernel.org/cgit/linux/kernel/git/broonie/sound.git/log/?h=topic/davinci I need to find my cape now. Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
