I tried these parameters but they seemed to be ignored.
Not sure why there is /boot/vc/config.txt and also /boot/efi/config.txt
dtparam=pwr_led_trigger=none
dtparam=pwr_led_activelow=off
dtoverlay=pi3-disable-wifi
dtoverlay=pi3-disable-bt
asnrcw,
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[QUOTE=asnrcw;51016]I tried these parameters but they seemed to be ignored.
Not sure why there is /boot/vc/config.txt and also /boot/efi/config.txt[/QUOTE]
The /boot/vc directory is on your root file system (and thus the reference for updates, etc) while the /boot/efi one is on the separate VFAT partition. The one in use is /boot/efi/config.txt.
[QUOTE=asnrcw;51016]# Disable the power led
dtparam=pwr_led_trigger=none
dtparam=pwr_led_activelow=off
dtoverlay=pi3-disable-wifi
dtoverlay=pi3-disable-bt[/QUOTE]
The dtoverlay option does not have any effect in the SLES12SP2 image, as the device tree will get overwritten by U-Boot again.
Instead, you would need to either
a) create a boot.scr file that applies the dt overlays or
b) create a full dtb file at dtb/$fdtfile that has the overlay
For reference, I’m currently working on loosening up that situation, so that you can use the dtoverlay option. But that’s nothing that will get integrated for SLES12SP2, as that code base is stable as is.