diff options
| author | Shengjiu Wang | 2021-03-12 10:38:40 +0800 |
|---|---|---|
| committer | Mark Brown | 2021-03-25 13:58:06 +0000 |
| commit | 8bdfc0455e3a59e2c1207a56be22e910fae0e0d5 (patch) | |
| tree | 5bb8c4ea8be168416923feab08176d5cb75ee58c /include/sound | |
| parent | 3f994c25868729fb63a4eef42a7040e563eff365 (diff) | |
ASoC: soc-component: Add snd_soc_pcm_component_ack
Add snd_soc_pcm_component_ack back, which can be used to get an
updated buffer pointer in the platform driver.
On Asymmetric multiprocessor, this pointer can be sent to Cortex-M
core for audio processing.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1615516725-4975-2-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/soc-component.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h index 7dc75b39287f..722cfab28d29 100644 --- a/include/sound/soc-component.h +++ b/include/sound/soc-component.h @@ -146,6 +146,8 @@ struct snd_soc_component_driver { int (*mmap)(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct vm_area_struct *vma); + int (*ack)(struct snd_soc_component *component, + struct snd_pcm_substream *substream); const struct snd_compress_ops *compress_ops; @@ -498,5 +500,6 @@ int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd, void *stream); void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd, void *stream, int rollback); +int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream); #endif /* __SOC_COMPONENT_H */ |