On Fri, 12 Mar 2021 10:38:39 +0800, Shengjiu Wang wrote:
On Asymmetric multiprocessor, there is Cortex-A core and Cortex-M core, Linux is running on A core, RTOS is running on M core. The audio hardware device can be controlled by Cortex-M device, So audio playback/capture can be handled by M core.
Rpmsg is the interface for sending and receiving msg to and from M core, that we can create a virtual sound on Cortex-A core side.
[...]
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
Thanks!
[1/6] ASoC: soc-component: Add snd_soc_pcm_component_ack commit: 8bdfc0455e3a59e2c1207a56be22e910fae0e0d5 [2/6] ASoC: fsl_rpmsg: Add CPU DAI driver for audio base on rpmsg commit: b73d9e6225e86492f6a901223a34ecfa7b55c178 [3/6] ASoC: dt-bindings: fsl_rpmsg: Add binding doc for rpmsg audio device commit: 49c6bf62498344fa8f8af2314231f3eb37e0e150 [4/6] ASoC: imx-audio-rpmsg: Add rpmsg_driver for audio channel commit: 1935050de0b6c6c961e9de51d5b5d05642f861f1 [5/6] ASoC: imx-pcm-rpmsg: Add platform driver for audio base on rpmsg commit: 3c00eceb2a5391ed1ca6703b71cad35ab8cd4352 [6/6] ASoC: imx-rpmsg: Add machine driver for audio base on rpmsg commit: 39f8405c3e502e7b9d0533fa0b0bfe715b3e89c1
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
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Thanks, Mark