@@ -349,5 +349,8 @@ int snd_soc_component_copy_user(struct snd_soc_component *component,
struct page *snd_soc_component_page(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
unsigned long offset);
+int snd_soc_component_mmap(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma);
#endif /* __SOC_COMPONENT_H */
@@ -392,3 +392,14 @@ struct page *snd_soc_component_page(struct snd_soc_component *component,
return ERR_PTR(-ENOTSUPP);
}
+
+int snd_soc_component_mmap(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ if (component->driver->ops &&
+ component->driver->ops->mmap)
+ return component->driver->ops->mmap(substream, vma);
+
+ return -ENOTSUPP;
+}
@@ -2947,16 +2947,15 @@ static int soc_rtdcom_mmap(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_component *component;
+ int ret;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- if (!component->driver->ops ||
- !component->driver->ops->mmap)
- continue;
-
+ ret = snd_soc_component_mmap(component, substream, vma);
/* FIXME. it returns 1st mmap now */
- return component->driver->ops->mmap(substream, vma);
+ if (ret != -ENOTSUPP)
+ return ret;
}
return -EINVAL;