The topology code can create a FE DAI link but did not allocate the memory for a platform component - whose name can be overridden at a later time.
Fixes: 23b946ce2808b ("ASoC: soc-topology: use modern dai_link style") Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/soc-topology.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index f485f7f751a1..b538412e4bcf 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1882,8 +1882,8 @@ static int soc_tplg_fe_link_create(struct soc_tplg *tplg, struct snd_soc_dai_link_component *dlc; int ret;
- /* link + cpu + codec */ - link = kzalloc(sizeof(*link) + (2 * sizeof(*dlc)), GFP_KERNEL); + /* link + cpu + codec + platform */ + link = kzalloc(sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL); if (link == NULL) return -ENOMEM;
@@ -1891,9 +1891,11 @@ static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
link->cpus = &dlc[0]; link->codecs = &dlc[1]; + link->platforms = &dlc[2];
link->num_cpus = 1; link->num_codecs = 1; + link->num_platforms = 1;
if (strlen(pcm->pcm_name)) { link->name = kstrdup(pcm->pcm_name, GFP_KERNEL); @@ -1907,6 +1909,8 @@ static int soc_tplg_fe_link_create(struct soc_tplg *tplg, link->codecs->name = "snd-soc-dummy"; link->codecs->dai_name = "snd-soc-dummy-dai";
+ link->platforms->name = "snd-soc-dummy"; + /* enable DPCM */ link->dynamic = 1; link->dpcm_playback = le32_to_cpu(pcm->playback);