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

[Liam Girdwood]

On Wed, 2018-06-13 at 17:23 +0800, Xiuli Pan wrote:
> From: Pan Xiuli <xiuli.pan at linux.intel.com>
> 
> Add token SOF_TKN_DAI_LBM for SSP loopback mode.
> 
> 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
> 
> 

Just to be clear that topology should not be used to enable/disable loopback.
Topology should only be used to add the protected kcontrol.  This patch does not
make this clear in commit message or in token name.

Liam