[PATCH v3 0/5] ASoC: fsl: Support register and unregister rpmsg sound card through remoteproc

[Shengjiu Wang]

On Mon, Mar 11, 2024 at 7:14 PM Chancel Liu <chancel.liu at nxp.com> wrote:
>
>         echo /lib/firmware/fw.elf > /sys/class/remoteproc/remoteproc0/firmware
> (A)     echo start > /sys/class/remoteproc/remoteproc0/state
> (B)     echo stop > /sys/class/remoteproc/remoteproc0/state
>
> The rpmsg sound card is registered in (A) and unregistered in (B).
> After "start", imx-audio-rpmsg registers devices for ASoC platform driver
> and machine driver. Then sound card is registered. After "stop",
> imx-audio-rpmsg unregisters devices for ASoC platform driver and machine
> driver. Then sound card is unregistered.

Acked-by: Shengjiu Wang <shengjiu.wang at gmail.com>

Best regards
Shengjiu Wang

>
> changes in v2
> - Fix build errors reported by kernel test robot
>
> changes in v3
> - Add a new patch for fsl_rpmsg to register CPU DAI with rpmsg channel
>   name
> - Update imx-rpmsg.c to get DT node of ASoC CPU DAI device with rpmsg
>   channel name instead of using undocumented bindings
>
> Chancel Liu (5):
>   ASoC: fsl: imx-pcm-rpmsg: Register component with rpmsg channel name
>   ASoC: fsl: imx-audio-rpmsg: Register device with rpmsg channel name
>   ASoC: fsl: Let imx-audio-rpmsg register platform device for card
>   ASoC: fsl: fsl_rpmsg: Register CPU DAI with name of rpmsg channel
>   ASoC: fsl: imx-rpmsg: Update to correct DT node
>
>  sound/soc/fsl/fsl_rpmsg.c       | 43 ++++++++++++++++++++-------------
>  sound/soc/fsl/imx-audio-rpmsg.c | 21 +++++++++++++---
>  sound/soc/fsl/imx-pcm-rpmsg.c   | 11 ++++++---
>  sound/soc/fsl/imx-rpmsg.c       | 28 ++++++++++++++-------
>  4 files changed, 71 insertions(+), 32 deletions(-)
>
> --
> 2.43.0
>