If an ASoC component device does not have a device tree node, use its
parent's node instead, when looking for a matching DAI based on a
device tree reference.
This allows video device drivers to register a separate child device
for their ASoC side audio functionality.
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
---
sound/soc/soc-core.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 2373252..b1bcff2 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -904,12 +904,17 @@ static struct snd_soc_dai *snd_soc_find_dai(
{
struct snd_soc_component *component;
struct snd_soc_dai *dai;
+ struct device_node *component_of_node;
lockdep_assert_held(&client_mutex);
/* Find CPU DAI from registered DAIs*/
list_for_each_entry(component, &component_list, list) {
- if (dlc->of_node && component->dev->of_node != dlc->of_node)
+ component_of_node = component->dev->of_node;
+ if (!component_of_node && component->dev->parent)
+ component_of_node = component->dev->parent->of_node;
+
+ if (dlc->of_node && component_of_node != dlc->of_node)
continue;
if (dlc->name && strcmp(component->name, dlc->name))
continue;
@@ -3488,11 +3493,16 @@ static int snd_soc_get_dai_name(struct of_phandle_args *args,
const char **dai_name)
{
struct snd_soc_component *pos;
+ struct device_node *component_of_node;
int ret = -EPROBE_DEFER;
mutex_lock(&client_mutex);
list_for_each_entry(pos, &component_list, list) {
- if (pos->dev->of_node != args->np)
+ component_of_node = pos->dev->of_node;
+ if (!component_of_node && pos->dev->parent)
+ component_of_node = pos->dev->parent->of_node;
+
+ if (component_of_node != args->np)
continue;
if (pos->driver->of_xlate_dai_name) {
--
1.9.1
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