USB keyboard modules finding and loading at initrd level.

[projects/geninitrd.git] / mod-usbkbd.sh

#!/bin/sh
SATA_RCSID='$Revision: 12372 $ $Date:: 2011-10-15 09:38:16 +0200 #$'

# geninitrd mod: usbkbd

# setup geninitrd module
# @access	public
setup_mod_usbkbd() {
}

find_modules_usbkbd() {
	debug "Finding USB keyboard modules"

	if [ "$(ls -1 /sys/class/input/input* 2> /dev/null)" = "/sys/class/input/input*" ]; then
		return
	fi

	local modules

	for i in /sys/class/input/input*; do
		[ ! -f $i/device/bInterfaceClass -o ! -f $i/device/bInterfaceProtocol ] && continue
		bInterfaceClass=$(cat $i/device/bInterfaceClass)
		bInterfaceProtocol=$(cat $i/device/bInterfaceProtocol)
		if [ "$bInterfaceClass" = "03" -a "$bInterfaceProtocol" = "01" ]; then
			module=$(readlink $i/device/driver/module)
			module=$(basename $module)

			modules="$modules $module"
		fi
	done

	if [ -n "$modules" ]; then
		# usb controllers
		for m in $(find_modules_by_class "0c03"); do
			find_module $m
		done

		for m in $modules; do
			find_module $m
		done
	fi
}