Re: [Sound-open-firmware] [PTACH RFC 5/5] topolog: test: add loopback test topology

On Wed, 2018-05-30 at 17:51 +0800, Xiuli Pan wrote:

+# +# DAI configuration +# +# SSP port TEST_SSP_PORT is our only pipeline DAI +#

+# playback DAI is SSP TEST_SSP_PORT using 2 periods +# Buffers use s24le format, with 48 frame per 1000us on core 0 with priority 0 +DAI_ADD(sof/pipe-dai-loopback.m4,

•   1, SSP, TEST_SSP_PORT, TEST_DAI_LINK_NAME,
  

•   PIPELINE_SOURCE_1, 2, TEST_SSP_FORMAT,
  

•   48, 1000, 0, 0)
  

+# capture DAI is SSP TEST_SSP_PORT using 2 periods +# Buffers use s24le format, with 48 frame per 1000us on core 0 with priority 0 +DAI_ADD(sof/pipe-dai-capture.m4,

•   2, SSP, TEST_SSP_PORT, TEST_DAI_LINK_NAME,
  

•   PIPELINE_SINK_2, 2, TEST_SSP_FORMAT,
  

•   48, 1000, 0, 0)
  

I would add a new macro call DAI_ADD_SSP (defined in ssp.m4) which adds the DAI loopback kcontrol and then just calls DAI_ADD.

This way you get the kcontrol for SSP loopback for free on every topology.

Liam