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>
8451e2e48e