[Sound-open-firmware] [PATCH 1/3] topology: Add SOF_TKN_DAI_LBM for ssp loopback mode

[Pierre-Louis Bossart]

On 06/13/2018 04:23 AM, Xiuli Pan wrote:
> From: Pan Xiuli <xiuli.pan at linux.intel.com>
>
> Add token SOF_TKN_DAI_LBM for SSP loopback mode.

I don't think LBM should be a generic DAI token, it's SSP specific for 
now, so can we treat it as SSP-only?

>
> Signed-off-by: Pan Xiuli <xiuli.pan at linux.intel.com>
> ---
> Work with patch set:
> SOF-Kernel:
>    ASoC: SOF: Add debug_mode flag in sof dev
>    ASoC: SOF: debug: add debugmode debugfs for sof_dev debug_mode
>    ASoC: SOF: uapi: topology: Add SOF_TKN_DAI_LBM for ssp loopback mode
>    ASoC: SOF: uapi: ipc: Add lbm in sof_ipc_dai_config
>    ASoC: SOF: topology: Add topology handler for dai config loopback mode
>    ASoC: SOF: add headers for lbm control callback functions
>    ASoC: SOF: add lbm kcontrol callback functions
>    ASoC: SOF: topology: add SSP lbm kcontrol switch create function
> SOF:
>    dai: add lbm status for dai
>    ipc: dai: add loopback mode handler for dai
> SOF-Tools:
>    topology: Add SOF_TKN_DAI_LBM for ssp loopback mode
>    topology: m4: Add option for loopback mode in DAI config
>    topology: test: Add loopback topology
>
> test & santity test with:
> Mininow max rt5651 and UP2 Hifiberry PRO and CNL nocodec
> SOF master: 792bd414ee5629f72b1e24619510d6936eac28ce
> SOF-Tool master: bd7dc88231f31d385340310cef467f211a739eeb
> https://github.com/plbossart/sound/tree/topic/sof-v4.14:
> 1e0f50565669815dd7daa19021b3b04a90487431
>
> ---
>   topology/sof/tokens.m4 | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/topology/sof/tokens.m4 b/topology/sof/tokens.m4
> index f0b3428..f2a07e4 100644
> --- a/topology/sof/tokens.m4
> +++ b/topology/sof/tokens.m4
> @@ -19,6 +19,7 @@ SectionVendorTokens."sof_dai_tokens" {
>   	SOF_TKN_DAI_TYPE			"154"
>   	SOF_TKN_DAI_INDEX			"155"
>   	SOF_TKN_DAI_SAMPLE_BITS			"156"
> +	SOF_TKN_DAI_LBM				"157"


>   }
>   
>   SectionVendorTokens."sof_sched_tokens" {