With additional checks on dailinks, we see errors such as
[ 3.000418] sof-nocodec sof-nocodec: CPU DAI DMIC01 Pin for rtd NoCodec-6 does not support playback
It's not clear why we set the dpcm_playback and dpcm_capture flags unconditionally, add a check on number of channels for each direction to avoid invalid configurations.
Fixes: 8017b8fd37bf5e ('ASoC: SOF: Add Nocodec machine driver support') Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com Reviewed-by: Daniel Baluta daniel.baluta@gmail.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com --- sound/soc/sof/nocodec.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/nocodec.c b/sound/soc/sof/nocodec.c index ce053ba8f2e8..d03b5be31255 100644 --- a/sound/soc/sof/nocodec.c +++ b/sound/soc/sof/nocodec.c @@ -52,8 +52,10 @@ static int sof_nocodec_bes_setup(struct device *dev, links[i].platforms->name = dev_name(dev); links[i].codecs->dai_name = "snd-soc-dummy-dai"; links[i].codecs->name = "snd-soc-dummy"; - links[i].dpcm_playback = 1; - links[i].dpcm_capture = 1; + if (ops->drv[i].playback.channels_min) + links[i].dpcm_playback = 1; + if (ops->drv[i].capture.channels_min) + links[i].dpcm_capture = 1; }
card->dai_link = links;