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-rwxr-xr-xrecipes-core/udev/files/verdin-imx8mm/toradex-adc.sh21
1 files changed, 21 insertions, 0 deletions
diff --git a/recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh b/recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh
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--- /dev/null
+++ b/recipes-core/udev/files/verdin-imx8mm/toradex-adc.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env sh
+#
+# Called from udev. Compatible to verdin-imx8mm.
+#
+# Create/remove symlinks to/from the files with raw adc data.
+
+# Map the ADC lines:
+# verdin-adc{1..4} -> MAX11607 ADC{0,1,2,3}
+
+if [ "$ACTION" = "add" ]; then
+ ln -s "/sys$DEVPATH/in_voltage0_raw" /dev/verdin-adc1
+ ln -s "/sys$DEVPATH/in_voltage1_raw" /dev/verdin-adc2
+ ln -s "/sys$DEVPATH/in_voltage2_raw" /dev/verdin-adc3
+ ln -s "/sys$DEVPATH/in_voltage3_raw" /dev/verdin-adc4
+elif [ "$ACTION" = "remove" ]; then
+ rm -f /dev/verdin-adc1
+ rm -f /dev/verdin-adc2
+ rm -f /dev/verdin-adc3
+ rm -f /dev/verdin-adc4
+fi
+