Reading VADC channel nodes from the ADB shell
/sys/devices/platform/soc/200f000.qcom,spmi/spmi-0/spmi0-00/200f000.qcom,spmi:qcom,pm8953@0:vadc@3100 # cat aaapa_therm1
Result:34090 Raw:7cd7
Register dump using ADB shell
// VADC_BTM register dump
adb shell$
su
mount -t debugfs none /sys/kernel/debug
echo 0x3400 > /sys/kernel/debug/spmi/spmi-0/address
echo 0xe0 > /sys/kernel/debug/spmi/spmi-0/count
cat /sys/kernel/debug/spmi/spmi-0/data
// VADC_USR register dump
adb shell$
su
mount -t debugfs none /sys/kernel/debug
echo 0x3100 > /sys/kernel/debug/spmi/spmi-0/address
echo 0xe0 > /sys/kernel/debug/spmi/spmi-0/count
cat /sys/kernel/debug/spmi/spmi-0/data