[alsa-devel] [PATCH v3 0/8] ASoC: omap-mcbsp: Cleanup and split core/sidetone support

[Peter Ujfalusi]

On 2018-11-10 17:59, Jarkko Nikula wrote:
> On 11/8/18 9:29 AM, Peter Ujfalusi wrote:
>> Hi,
>>
>> Changes since v2:
>> - Split the dma_data addr and maxburst cleanup patches
>> - Added Jarkko's Acked-by tot he series.
>>
> Here's my promised testing too. I used a setup below to test sidetone
> functionality. Assuming both playback and recording path are already set.
> 
> amixer -D hw:0 set 'McBSP2 Sidetone' on
> amixer -D hw:0 set 'McBSP2 Sidetone Channel 0' 100%
> amixer -D hw:0 set 'McBSP2 Sidetone Channel 1' 100%
> echo 32767 >/sys/devices/platform/68000000.ocp/49022000.mcbsp/st_taps
> echo threshold
>> /sys/devices/platform/68000000.ocp/49022000.mcbsp/dma_op_mode
> arecord -f dat >/dev/null |aplay -f dat /dev/zero
> 
> ^^
> arecord dumps into /dev/null and aplay plays from /dev/zero so only path
> from input to output is the sidetone path.
> 
> Tested-by: Jarkko Nikula <jarkko.nikula at bitmer.com>

Thanks Jarkko!

- Péter

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