Re: [alsa-devel] [PATCH 1/2] ASoC: soc-core: defer card registration if codec component is missing

On 6/26/19 3:36 PM, Jerome Brunet wrote:

Like cpus and platforms, defer sound card initialization if the codec component is missing when initializing the dai_link

Signed-off-by: Jerome Brunet jbrunet@baylibre.com

sound/soc/soc-core.c | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 358f1fbf9a30..002ddbf4e5a3 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1064,12 +1064,20 @@ static int soc_init_dai_link(struct snd_soc_card *card, link->name); return -EINVAL; }

• /* Codec DAI name must be specified */ if (!codec->dai_name) { dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", link->name); return -EINVAL; }

• /*
  

•  * Defer card registartion if codec component is not added to
  

registration

•  * component list.
  

•  */
  

• if (!soc_find_component(codec))
  

• 	return -EPROBE_DEFER;
  

  }

  /*