On Wed, Dec 4, 2019 at 7:16 AM Daniel Baluta <daniel.baluta@xxxxxxx> wrote:
> When converting a normal link to a DPCM link we need
> to set dpcm_playback / dpcm_capture otherwise playback/capture
> streams will not be created resulting in errors like this:
>
> [ 36.039111] sai1-wm8960-hifi: ASoC: no backend playback stream
>
> Fixes: a655de808cbde ("ASoC: core: Allow topology to override machine
> driver FE DAI link config")
> Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>
> ---
> sound/soc/soc-core.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index 977a7bfad519..f89cf9d0860c 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -1872,6 +1872,8 @@ static void soc_check_tplg_fes(struct snd_soc_card
> *card)
>
> /* convert non BE into BE */
> dai_link->no_pcm = 1;
> + dai_link->dpcm_playback = 1;
> + dai_link->dpcm_capture = 1;
>
Hi Daniel,
Typically, for Intel platforms, this information comes from the machine
driver and there are some DAI links that have either playback or capture
set. But this change would set both for all DAI links.
Not sure if this is the right thing to do.
Thanks,
Ranjani
>
> /* override any BE fixups */
> dai_link->be_hw_params_fixup =
> --
> 2.17.1
>
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