[Sound-open-firmware] [PATCH 3/3] topology: test: Add loopback topology

[Liam Girdwood]

On Mon, 2018-06-04 at 14:39 +0800, Xiuli Pan wrote:
> From: Pan Xiuli <xiuli.pan at linux.intel.com>
> 
> Loopback topology will enable SSP DAI loopback mode. This can loopback
> the SSP data.
> 
> Signed-off-by: Pan Xiuli <xiuli.pan at linux.intel.com>
> ---
> Work with patch set:
> SOF-Kernel:
>   ASoC: SOF: upai: ipc: Add lbm in sof_ipc_dai_config
>   ASoC: SOF: uapi: topology: Add SOF_TKN_DAI_LBM for ssp loopback mode
>   ASoC: SOF: topology: Add topology handler for dai config loopback mode
> SOF:
>   uapi: ipc: Add lbm in sof_ipc_dai_config
>   IPC: Add IPC handler for dai config loopback mode
> 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: 65ddcddfcc9a20f5b622cf3ba93dc326387a9d5d
> SOF-Tool master: 07d290c8ac6026af28bada021ac2215e3453fa88
> https://github.com/plbossart/sound/tree/topic/sof-v4.14:
> 3ffd39334cb53aced88b8aba17cae3df9ee2736f
> 
> ---
>  topology/test/test-loopback.m4 | 97
> ++++++++++++++++++++++++++++++++++++++++++
>  topology/test/tplg-build.sh    |  2 +-
>  2 files changed, 98 insertions(+), 1 deletion(-)
>  create mode 100644 topology/test/test-loopback.m4


I want to see loopback added as a kcontrol switch type. Maybe the best way is to
create a ssp.m4 that uses the existing DAI macros and also includes a kcontrol
OR you could create a new DAI_KCONTROL macro ?

Liam