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Device Tree • Re: RPI5: Issue with dynamic applying DT for Sound Card

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I think the change to the sound node is not being noticed, even though the changees to the child nodes are.

Try this instead (prettier indentation is left as an exercise for the reader):
The same result, I see the card only after adding it to config.txt and reboot

The only thing I'm puzzled about is your claim that this is specific to Pi 5. Are you sure that a Pi 4 running the same kernel doesn't behave the same way?
Yes, RPI 5 version:

Code:

uname -aLinux raspberrypi 6.6.21-v8-16k+ #1743 SMP PREEMPT Thu Mar 14 11:40:50 GMT 2024 aarch64 GNU/Linux
RPI 4 version:

Code:

uname -aLinux raspberrypi 6.6.21-v8+ #1743 SMP PREEMPT Thu Mar 14 11:38:44 GMT 2024 aarch64 GNU/Linuxarecord -l**** List of CAPTURE Hardware Devices ****sudo dtoverlay -v xvf3510DTOVERLAY[debug]: using platform 'bcm2711'DTOVERLAY[debug]: overlay map loadedrun_cmd: which dtoverlay-pre >/dev/null 2>&1 && dtoverlay-preDTOVERLAY[debug]: loading file '/boot/firmware/overlays/xvf3510.dtbo'DTOVERLAY[debug]: wrote 1746 bytes to '/tmp/.dtoverlays/0_xvf3510.dtbo'DTOVERLAY[debug]: wrote 1746 bytes to '/sys/kernel/config/device-tree/overlays/0_xvf3510/dtbo'run_cmd: which dtoverlay-post >/dev/null 2>&1 && dtoverlay-postdmesg | tail[   14.135216] bcmgenet fd580000.ethernet: configuring instance for external RGMII (RX delay)[   14.137845] bcmgenet fd580000.ethernet eth0: Link is Down[   14.150251] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled[   18.127443] Bluetooth: RFCOMM TTY layer initialized[   18.127481] Bluetooth: RFCOMM socket layer initialized[   18.127502] Bluetooth: RFCOMM ver 1.11[   54.870007] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /soc/i2s@7e203000/status[   54.870049] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /soc/sound/compatible[   54.870067] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /soc/sound/simple-audio-card,name[   54.870083] OF: overlay: WARNING: memory leak will occur if overlay removed, property: /soc/sound/statusarecord -l**** List of CAPTURE Hardware Devices ****card 3: sj201 [sj201], device 1: fe203000.i2s-dir-hifi dir-hifi-1 [fe203000.i2s-dir-hifi dir-hifi-1]  Subdevices: 1/1  Subdevice #0: subdevice #0

Statistics: Posted by BohdanBuinich — Sun Mar 17, 2024 4:27 pm



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