Re: [Gumstix-users] Overo sound problems

[TylerBMS <ty...@bm...>]

Has anyone figured this out?  I am seeing the exact same thing with the
2.6.37 kernel.

Tyler

Mike Collins-6 wrote:
> 
> Tried to search through the mailing list on this, but didn't find any
> solutions.  
> 
> I am using ubuntu ARM with the following kernel: 2.6.35-rc6-dl12 #1
> PREEMPT Wed Jul 28 13:11:51 UTC 2010 armv7l GNU/Linux
> 
>  
> 
> Following messages appear in dmesg:
> 
> [    2.036132] No device for DAI omap-mcbsp-dai-0
> 
> [    2.040679] No device for DAI omap-mcbsp-dai-1
> 
> [    2.045166] No device for DAI omap-mcbsp-dai-2
> 
> [    2.049713] No device for DAI omap-mcbsp-dai-3
> 
> [    2.054199] No device for DAI omap-mcbsp-dai-4
> 
> [    2.058746] No device for DAI omap-mcpdm
> 
> [    2.062713] overo SoC init
> 
> [    2.067230] asoc: twl4030 <-> omap-mcbsp-dai-0 mapping ok
> 
> [    2.076690] Not OMAP3 EVM!
> 
> [    2.079528] Not OMAP3517 / AM3517 EVM!
> 
> [    2.083343] ALSA device list:
> 
> [    2.086334]   #0: overo (twl4030)
> 
>  
> 
> Following messages appear during aplay test:
> 
> Playing WAVE 'theheropart4.wav' : Signed 16 bit Little Endian, R[
> 614.131042] asoc: interface omap-mcbsp-dai-0 hw params failed
> 
> ate 22050 Hz, Mono
> 
> aplay: set_params:1053: Unable to install hw params:
> 
> ACCESS:  RW_INTERLEAVED
> 
> FORMAT:  S16_LE
> 
> SUBFORMAT:  STD
> 
> SAMPLE_BITS: 16
> 
> FRAME_BITS: 16
> 
> CHANNELS: 1
> 
> RATE: 22050
> 
> PERIOD_TIME: (124988 124989)
> 
> PERIOD_SIZE: 2756
> 
> PERIOD_BYTES: 5512
> 
> PERIODS: 4
> 
> BUFFER_TIME: (499954 499955)
> 
> BUFFER_SIZE: 11024
> 
> BUFFER_BYTES: 22048
> 
> TICK_TIME: 0
> 
>  
> 
> This appears to be an issue maybe with the driver that alsa is using for
> the twl4030?  Has anyone else ran into this issue and care to point me
> in the right direction?
> 
> Mike
> 
> 
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