zymon/seeed-voicecard
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Fix dai_link->cpus etc used without backing storage.

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Claus-Justus Heine 2020-07-29 18:57:37 +02:00
parent 1046e30108
commit 97146337cb
1 changed files with 23 additions and 1 deletions
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24
seeed-voicecard.c
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@ -42,6 +42,9 @@ struct seeed_card_data {
struct seeed_dai_props {
struct asoc_simple_dai cpu_dai;
struct asoc_simple_dai codec_dai;
struct snd_soc_dai_link_component cpus; /* single cpu */
struct snd_soc_dai_link_component codecs; /* single codec */
struct snd_soc_dai_link_component platforms;
unsigned int mclk_fs;
} *dai_props;
unsigned int mclk_fs;
@ -561,7 +564,7 @@ static int seeed_voice_card_probe(struct platform_device *pdev)
struct seeed_dai_props *dai_props;
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
int num, ret;
int num, ret, i;
/* Get the number of DAI links */
if (np && of_get_child_by_name(np, PREFIX "dai-link"))
@ -579,6 +582,25 @@ static int seeed_voice_card_probe(struct platform_device *pdev)
if (!dai_props || !dai_link)
return -ENOMEM;
/*
* Use snd_soc_dai_link_component instead of legacy style
* It is codec only. but cpu/platform will be supported in the future.
* see
* soc-core.c :: snd_soc_init_multicodec()
*
* "platform" might be removed
* see
* simple-card-utils.c :: asoc_simple_canonicalize_platform()
*/
for (i = 0; i < num; i++) {
printk(KERN_INFO "linking cpus, codecs and platforms");
dai_link[i].cpus = &dai_props[i].cpus;
dai_link[i].num_cpus = 1;
dai_link[i].codecs = &dai_props[i].codecs;
dai_link[i].num_codecs = 1;
dai_link[i].platforms = &dai_props[i].platforms;
dai_link[i].num_platforms = 1;
}
priv->dai_props = dai_props;
priv->dai_link = dai_link;