initial commit

1 files changed, 61 insertions, 0 deletions

diff --git a/firmware_uevent.sh b/firmware_uevent.sh
new file mode 100644
index 0000000..60bb187
--- /dev/null
+++ b/firmware_uevent.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+if [ -x /bin/cat ]; then
+  cat="/bin/cat"
+else
+  exit 3
+fi
+
+if [ -x /usr/bin/logger ]; then
+  out="/usr/bin/logger"
+else
+  out="echo"
+fi
+
+if [ -z "${SUBSYSTEM}" -o -z "${ACTION}" -o -z "${FIRMWARE}" -o -z "${DEVPATH}" ]; then
+  $out "$0: Missing essential enviroment variable(s)"
+  exit 1
+fi
+
+$out "$0: Running firmware script"
+$out "$0: FIRMWARE(${FIRMWARE}) ACTION(${ACTION}) SUBSYSTEM(${SUBSYSTEM})"
+FW_NAME=${FIRMWARE}
+FW_PATH=
+
+case $FW_NAME in
+  /lib/firmware/*)
+    break;;
+
+  *.bin|*.hex)
+    FW_PATH="/lib/firmware/${FW_NAME}"
+    break;;
+
+  *)
+    FW_PATH="/lib/firmware/${FW_NAME}.bin"
+    break;;
+esac
+
+if [ ! -r ${FW_PATH} ]; then
+  $out "$0: Firmware ${FW_PATH} does not exist"
+  exit 2
+fi
+
+
+case $SUBSYSTEM in
+  firmware)
+  break;;
+  *)
+    exit 1
+  break;;
+esac
+
+case $ACTION in
+  add)
+    $out "$0: Loading ${FW_PATH} -> /sys${DEVPATH} .."
+    echo 1 > /sys${DEVPATH}/loading
+    $cat ${FW_PATH} > /sys${DEVPATH}/data
+    echo 0 > /sys${DEVPATH}/loading
+  break;;
+esac
+
+exit 0
\ No newline at end of file