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[v2,0/4] ASoC: fsl: Support register and unregister rpmsg sound card through remoteproc

Message ID 20240307074437.1472593-1-chancel.liu@nxp.com
Headers show
Series ASoC: fsl: Support register and unregister rpmsg sound card through remoteproc | expand

Message

Chancel Liu March 7, 2024, 7:44 a.m. UTC 
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.

changes in v2
- Fix build errors reported by kernel test robot

Chancel Liu (4):
  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: imx-rpmsg: Update to correct DT node

 sound/soc/fsl/fsl_rpmsg.c       | 11 -----------
 sound/soc/fsl/imx-audio-rpmsg.c | 21 ++++++++++++++++++---
 sound/soc/fsl/imx-pcm-rpmsg.c   | 11 ++++++++---
 sound/soc/fsl/imx-rpmsg.c       | 21 ++++++++++++++++++---
 4 files changed, 44 insertions(+), 20 deletions(-)

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2.43.0