@@ -88,6 +88,8 @@ struct snd_soc_component_driver {
struct snd_pcm_substream *substream);
int (*trigger)(struct snd_soc_component *component,
struct snd_pcm_substream *substream, int cmd);
+ int (*sync_stop)(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
snd_pcm_uframes_t (*pointer)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int (*get_time_info)(struct snd_soc_component *component,
@@ -405,6 +407,7 @@ int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg);
+int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream);
int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *buf, unsigned long bytes);
@@ -444,6 +444,25 @@ int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
return snd_pcm_lib_ioctl(substream, cmd, arg);
}
+int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_component *component;
+ struct snd_soc_rtdcom_list *rtdcom;
+ int ret;
+
+ for_each_rtd_components(rtd, rtdcom, component) {
+ if (component->driver->ioctl) {
+ ret = component->driver->sync_stop(component,
+ substream);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *buf, unsigned long bytes)
@@ -3020,6 +3020,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
if (drv->ioctl)
rtd->ops.ioctl = snd_soc_pcm_component_ioctl;
+ if (drv->sync_stop)
+ rtd->ops.sync_stop = snd_soc_pcm_component_sync_stop;
if (drv->copy_user)
rtd->ops.copy_user = snd_soc_pcm_component_copy_user;
if (drv->page)
Add the support of the new PCM sync_stop ops in ASoC component. It's optional and can be NULL unless you need the sync operation. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- include/sound/soc-component.h | 3 +++ sound/soc/soc-component.c | 19 +++++++++++++++++++ sound/soc/soc-pcm.c | 2 ++ 3 files changed, 24 insertions(+)