mansoor@Bonobo:~/Downloads/logitech_unifier-master$ ls -la /sys/class total 0 drwxr-xr-x 52 root root 0 Apr 15 11:47 . dr-xr-xr-x 13 root root 0 Apr 15 11:47 .. drwxr-xr-x 2 root root 0 Apr 15 11:47 ata_device drwxr-xr-x 2 root root 0 Apr 15 11:47 ata_link drwxr-xr-x 2 root root 0 Apr 15 11:47 ata_port drwxr-xr-x 2 root root 0 Apr 15 11:47 backlight drwxr-xr-x 2 root root 0 Apr 15 11:47 bdi drwxr-xr-x 2 root root 0 Apr 15 11:47 block drwxr-xr-x 2 root root 0 Apr 15 11:47 bluetooth drwxr-xr-x 2 root root 0 Apr 15 11:47 bsg drwxr-xr-x 2 root root 0 Apr 15 11:47 devfreq drwxr-xr-x 2 root root 0 Apr 15 11:47 dma drwxr-xr-x 2 root root 0 Apr 15 11:47 dmi drwxr-xr-x 2 root root 0 Apr 15 11:47 firmware drwxr-xr-x 2 root root 0 Apr 15 11:47 gpio drwxr-xr-x 2 root root 0 Apr 15 11:47 graphics drwxr-xr-x 2 root root 0 Apr 15 11:47 hidraw drwxr-xr-x 2 root root 0 Apr 15 11:47 hwmon drwxr-xr-x 2 root root 0 Apr 15 11:47 i2c-adapter drwxr-xr-x 2 root root 0 Apr 15 11:47 ieee80211 drwxr-xr-x 2 root root 0 Apr 15 11:47 input drwxr-xr-x 2 root root 0 Apr 15 11:47 leds drwxr-xr-x 2 root root 0 Apr 15 11:47 mdio_bus drwxr-xr-x 2 root root 0 Apr 15 11:47 mem drwxr-xr-x 2 root root 0 Apr 15 11:47 memstick_host drwxr-xr-x 2 root root 0 Apr 15 11:47 misc drwxr-xr-x 2 root root 0 Apr 15 11:47 mmc_host drwxr-xr-x 2 root root 0 Apr 15 11:47 net drwxr-xr-x 2 root root 0 Apr 15 11:47 pci_bus drwxr-xr-x 2 root root 0 Apr 15 11:47 power_supply drwxr-xr-x 2 root root 0 Apr 15 11:47 ppdev drwxr-xr-x 2 root root 0 Apr 15 11:47 ppp drwxr-xr-x 2 root root 0 Apr 15 11:47 printer drwxr-xr-x 2 root root 0 Apr 15 11:47 regulator drwxr-xr-x 2 root root 0 Apr 15 11:47 rfkill drwxr-xr-x 2 root root 0 Apr 15 11:47 rtc drwxr-xr-x 2 root root 0 Apr 15 11:47 scsi_device drwxr-xr-x 2 root root 0 Apr 15 11:47 scsi_disk drwxr-xr-x 2 root root 0 Apr 15 11:47 scsi_generic drwxr-xr-x 2 root root 0 Apr 15 11:47 scsi_host drwxr-xr-x 2 root root 0 Apr 15 11:47 sound drwxr-xr-x 2 root root 0 Apr 15 11:47 spi_host drwxr-xr-x 2 root root 0 Apr 15 11:47 spi_master drwxr-xr-x 2 root root 0 Apr 15 11:47 spi_transport drwxr-xr-x 2 root root 0 Apr 15 11:47 thermal drwxr-xr-x 2 root root 0 Apr 15 11:47 timed_output drwxr-xr-x 2 root root 0 Apr 15 11:47 tty drwxr-xr-x 2 root root 0 Apr 15 11:47 vc drwxr-xr-x 2 root root 0 Apr 15 11:47 video4linux drwxr-xr-x 2 root root 0 Apr 15 11:47 vtconsole drwxr-xr-x 2 root root 0 Apr 15 11:47 watchdog drwxr-xr-x 2 root root 0 Apr 15 11:47 wmi