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FROMGIT: ASoC: soc-component: Add snd_soc_pcm_component_ack

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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>

Bug: 159736148
(cherry picked from commit 8bdfc0455e3a59e2c1207a56be22e910fae0e0d5
https: //git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git sound/for-5.13)
Change-Id: I16f49ea140b9b9185313814fce3f3d9ef4c1a44a
Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
This commit is contained in:
Shengjiu Wang
2021-03-12 10:38:40 +08:00
committed by Todd Kjos
parent ce1a244af8
commit 8451e2e48e
3 changed files with 19 additions and 0 deletions
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3
include/sound/soc-component.h
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@@ -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;
@@ -469,5 +471,6 @@ 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 */