[Sound-open-firmware] [PATCH v3 7/7] topology: add DMIC dai support in test capture m4

[Seppo Ingalsuo]

On 24.05.2018 05:47, Ranjani Sridharan wrote:
> Add support for adding DMIC config for DMIC DAI type.
>
> Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
> ---
>   topology/test/test-capture.m4 | 23 ++++++++++++++++-------
>   1 file changed, 16 insertions(+), 7 deletions(-)
>
> diff --git a/topology/test/test-capture.m4 b/topology/test/test-capture.m4
> index a1f283f..ae52991 100644
> --- a/topology/test/test-capture.m4
> +++ b/topology/test/test-capture.m4
> @@ -69,10 +69,19 @@ PCM_CAPTURE_ADD(Passthrough, 3, 0, 0, PIPELINE_PCM_2)
>   # TEST_SSP_DATA_BITS bit I2S using TEST_SSP_PHY_BITS bit sample conatiner on SSP TEST_DAI_PORT
>   #
>   DAI_CONFIG(TEST_DAI_TYPE, TEST_DAI_PORT, TEST_DAI_LINK_NAME,
> -	   SSP_CONFIG(TEST_SSP_MODE,
> -		      DAI_CLOCK(mclk, TEST_SSP_MCLK, codec_mclk_in),
> -		      DAI_CLOCK(bclk, TEST_SSP_BCLK, codec_slave),
> -		      DAI_CLOCK(fsync, 48000, codec_slave),
> -		      DAI_TDM(2, TEST_SSP_PHY_BITS, 3, 3),
> -		      SSP_SAMPLE_BITS(TEST_DAI_TYPE, TEST_DAI_PORT,
> -				      TEST_SSP_DATA_BITS)))
> +	   ifelse(TEST_DAI_TYPE, `SSP',
> +		  SSP_CONFIG(TEST_SSP_MODE,
> +			     DAI_CLOCK(mclk, TEST_SSP_MCLK, codec_mclk_in),
> +			     DAI_CLOCK(bclk, TEST_SSP_BCLK, codec_slave),
> +			     DAI_CLOCK(fsync, 48000, codec_slave),

Does this hardwire SSP (I2S) sample rate to 48 kHz? It's not critical 
now but I'd imagine that there might be need for other sample rates in 
some special applications (save power or have some IC in the system 
without 48k support).

> +			     DAI_TDM(2, TEST_SSP_PHY_BITS, 3, 3),
> +			     SSP_SAMPLE_BITS(TEST_DAI_TYPE, TEST_DAI_PORT,
> +					     TEST_SSP_DATA_BITS)),
> +		  TEST_DAI_TYPE, `DMIC',
> +		  DMIC_CONFIG(TEST_DMIC_DRIVER_VERSION,TEST_DMIC_CLK_MIN,
> +			      TEST_DMIC_CLK_MAX, TEST_DMIC_DUTY_MIN,
> +			      TEST_DMIC_DUTY_MAX, TEST_DMIC_REQUESTED_PDM_COUNT,
> +			      TEST_DMIC_PDM_0_ENABLE, TEST_DMIC_PDM_1_ENABLE,
> +			      TEST_DMIC_SAMPLE_RATE, DMIC_WORD_LENGTH(TEST_DAI_FORMAT),
> +			      TEST_DAI_TYPE, TEST_DAI_PORT),
> +			      `'))