1subsystem functionfs 2 devname uevent_devpath 3 dirname /dev/functionfs 4 5/dev/jpeg 0666 system graphics 6/dev/vinput 0660 system input 7/dev/mmz_userdev 0644 system audio 8/dev/graphics/fb* 0660 system graphics 9/dev/functionfs/f_g* 0660 system functionfs 10/dev/mem 0660 system audio 11/dev/video* 0660 system camera 12/dev/ion 0666 system system 13/dev/mali* 0666 system graphics 14#for Bluetooth USB driver 15/dev/btusb0 0660 bluetooth bluetooth 16/dev/uhid 0660 bluetooth bluetooth 17/dev/bt_usb* 0660 bluetooth bluetooth 18/dev/tc_ns_client 0660 system audio 19/dev/rtk_btusb 0660 bluetooth net_bt_stack 20/dev/sil9293 0660 system audio 21/dev/stpbt 0660 bluetooth radio 22#for hisilicon dev 23/dev/avs 0660 system audio 24/dev/gdc 0660 system audio 25/dev/hdmi 0660 system audio 26/dev/hi_mipi 0660 system audio 27/dev/hi_mipi_tx 0660 system audio 28/dev/hi_tde 0644 system graphics 29/dev/isp_dev 0660 system camera 30/dev/match 0660 system audio 31/dev/photo 0660 system audio 32/dev/rect 0660 system audio 33/dev/rgn 0660 system audio 34/dev/sys 0660 system audio 35/dev/vb 0666 system audio 36/dev/vdec 0666 system audio 37/dev/venc 0666 system audio 38/dev/vi 0660 system audio 39/dev/vo 0660 system audio 40/dev/vpss 0660 system audio 41/dev/i2c-0 0660 system camera 42/dev/i2c-1 0660 system camera 43/dev/i2c-2 0660 system camera 44/dev/i2c-3 0660 system camera 45/dev/i2c-4 0660 system camera 46/dev/i2c-5 0660 system camera 47/dev/i2c-6 0660 system camera 48/dev/i2c-7 0660 system camera 49/dev/vgs 0666 system audio 50