| #!/bin/sh |
| |
| set -e |
| |
| # Wait for adbd to open ep0 before activating the UDC. Without systemd |
| # sd_notify synchronisation there is no other signal that adbd is ready, so |
| # a fixed delay is used. When this script is invoked via ExecStartPost in a |
| # Type=notify service, adbd has already sent READY=1 before this runs and |
| # no delay is needed; set ANDROID_GADGET_UDC_DELAY=0 in that case (e.g. via |
| # a systemd drop-in Environment= line). |
| ANDROID_GADGET_UDC_DELAY="${ANDROID_GADGET_UDC_DELAY:-10}" |
| sleep "$ANDROID_GADGET_UDC_DELAY" |
| |
| ls /sys/class/udc/ | head -n 1 | xargs echo -n > /sys/kernel/config/usb_gadget/adb/UDC |
| |
| echo "Setting UDC $(ls /sys/class/udc/ | head -n 1) for USB ADB Gadget usage" |
