[Galaxy S 5 Original Android Development] Tkkg1994:
I was going to update my twrp too, but I did not have the time. Even better if it becomes officially supported!

So to help you out here are my results;

u0_a238@kccat6:/ $ su
root@kccat6:/ # find /sys -name brightness
/sys/devices/i2c.84/i2c-17/17-0030/leds/led_b/brightness
/sys/devices/i2c.84/i2c-17/17-0030/leds/led_g/brightness
/sys/devices/i2c.84/i2c-17/17-0030/leds/led_r/brightness
/sys/devices/i2c.89/i2c-13/13-0066/max77804k-led/leds/leds-sec1/brightness
/sys/devices/i2c.89/i2c-13/13-0066/max77804k-led/leds/torch-sec1/brightness
/sys/devices/virtual/lcd/panel/panel/brightness
/sys/devices/virtual/sec/sec_touchkey/brightness
/sys/devices/msm_sdcc.1/leds/mmc0::/brightness
/sys/devices/msm_sdcc.2/leds/mmc1::/brightness
/sys/devices/fd900000.qcom,mdss_mdp/qcom,mdss_fb_primary.175/leds/lcd-backlight/brightness
root@kccat6:/ # find /sys -name file
/sys/fs/selinux/class/file
/sys/fs/selinux/initial_contexts/file
/sys/devices/f9200000.ssusb/f9200000.dwc3/gadget/lun0/file
/sys/devices/f9200000.ssusb/f9200000.dwc3/gadget/lun1/file
/sys/devices/f9200000.ssusb/f9200000.dwc3/gadget/lun2/file
root@kccat6:/ # cat /proc/partitions
major minor #blocks name

252 0 1048576 vnswap0
179 0 15388672 mmcblk0
179 1 19456 mmcblk0p1
179 2 66464 mmcblk0p2
179 3 512 mmcblk0p3
179 4 512 mmcblk0p4
179 5 64 mmcblk0p5
179 6 32 mmcblk0p6
179 7 2048 mmcblk0p7
179 8 512 mmcblk0p8
179 9 512 mmcblk0p9
179 10 4096 mmcblk0p10
179 11 6144 mmcblk0p11
179 12 10240 mmcblk0p12
179 13 14336 mmcblk0p13
179 14 4096 mmcblk0p14
179 15 4096 mmcblk0p15
179 16 4 mmcblk0p16
179 17 13312 mmcblk0p17
179 18 15360 mmcblk0p18
179 19 3072 mmcblk0p19
179 20 1024 mmcblk0p20
179 21 8 mmcblk0p21
179 22 8192 mmcblk0p22
179 23 9216 mmcblk0p23
179 24 2560000 mmcblk0p24
179 25 204800 mmcblk0p25
179 26 153600 mmcblk0p26
179 27 12282848 mmcblk0p27
179 32 4096 mmcblk0rpmb
179 64 62367744 mmcblk1
179 65 62351360 mmcblk1p1
root@kccat6:/ # ls -l /sys/class/android_usb/android0
lrwxrwxrwx root root 2016-02-23 12:45 android0 -> ../../devices/virtual/android_usb/android0
-l /dev/block/platform/msm_sdcc.1/by-name/ <
lrwxrwxrwx root root 2014-02-18 21:11 aboot -> /dev/block/mmcblk0p7
lrwxrwxrwx root root 2014-02-18 21:11 apnhlos -> /dev/block/mmcblk0p1
lrwxrwxrwx root root 2014-02-18 21:11 boot -> /dev/block/mmcblk0p17
lrwxrwxrwx root root 2014-02-18 21:11 cache -> /dev/block/mmcblk0p25
lrwxrwxrwx root root 2014-02-18 21:11 dbi -> /dev/block/mmcblk0p5
lrwxrwxrwx root root 2014-02-18 21:11 ddr -> /dev/block/mmcblk0p6
lrwxrwxrwx root root 2014-02-18 21:11 efs -> /dev/block/mmcblk0p13
lrwxrwxrwx root root 2014-02-18 21:11 fota -> /dev/block/mmcblk0p19
lrwxrwxrwx root root 2014-02-18 21:11 hidden -> /dev/block/mmcblk0p26
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefs1 -> /dev/block/mmcblk0p14
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefs2 -> /dev/block/mmcblk0p15
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefs3 -> /dev/block/mmcblk0p10
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefsc -> /dev/block/mmcblk0p16
lrwxrwxrwx root root 2014-02-18 21:11 misc -> /dev/block/mmcblk0p20
lrwxrwxrwx root root 2014-02-18 21:11 modem -> /dev/block/mmcblk0p2
lrwxrwxrwx root root 2014-02-18 21:11 pad -> /dev/block/mmcblk0p11
lrwxrwxrwx root root 2014-02-18 21:11 param -> /dev/block/mmcblk0p12
lrwxrwxrwx root root 2014-02-18 21:11 persdata -> /dev/block/mmcblk0p23
lrwxrwxrwx root root 2014-02-18 21:11 persist -> /dev/block/mmcblk0p22
lrwxrwxrwx root root 2014-02-18 21:11 recovery -> /dev/block/mmcblk0p18
lrwxrwxrwx root root 2014-02-18 21:11 rpm -> /dev/block/mmcblk0p8
lrwxrwxrwx root root 2014-02-18 21:11 sbl1 -> /dev/block/mmcblk0p3
lrwxrwxrwx root root 2014-02-18 21:11 sbl1bak -> /dev/block/mmcblk0p4
lrwxrwxrwx root root 2014-02-18 21:11 ssd -> /dev/block/mmcblk0p21
lrwxrwxrwx root root 2014-02-18 21:11 system -> /dev/block/mmcblk0p24
lrwxrwxrwx root root 2014-02-18 21:11 tz -> /dev/block/mmcblk0p9
lrwxrwxrwx root root 2014-02-18 21:11 userdata -> /dev/block/mmcblk0p27
root@kccat6:/ # ls -l /dev/block/bootdevice/by-name/
lrwxrwxrwx root root 2014-02-18 21:11 aboot -> /dev/block/mmcblk0p7
lrwxrwxrwx root root 2014-02-18 21:11 apnhlos -> /dev/block/mmcblk0p1
lrwxrwxrwx root root 2014-02-18 21:11 boot -> /dev/block/mmcblk0p17
lrwxrwxrwx root root 2014-02-18 21:11 cache -> /dev/block/mmcblk0p25
lrwxrwxrwx root root 2014-02-18 21:11 dbi -> /dev/block/mmcblk0p5
lrwxrwxrwx root root 2014-02-18 21:11 ddr -> /dev/block/mmcblk0p6
lrwxrwxrwx root root 2014-02-18 21:11 efs -> /dev/block/mmcblk0p13
lrwxrwxrwx root root 2014-02-18 21:11 fota -> /dev/block/mmcblk0p19
lrwxrwxrwx root root 2014-02-18 21:11 hidden -> /dev/block/mmcblk0p26
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefs1 -> /dev/block/mmcblk0p14
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefs2 -> /dev/block/mmcblk0p15
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefs3 -> /dev/block/mmcblk0p10
lrwxrwxrwx root root 2014-02-18 21:11 mdm1m9kefsc -> /dev/block/mmcblk0p16
lrwxrwxrwx root root 2014-02-18 21:11 misc -> /dev/block/mmcblk0p20
lrwxrwxrwx root root 2014-02-18 21:11 modem -> /dev/block/mmcblk0p2
lrwxrwxrwx root root 2014-02-18 21:11 pad -> /dev/block/mmcblk0p11
lrwxrwxrwx root root 2014-02-18 21:11 param -> /dev/block/mmcblk0p12
lrwxrwxrwx root root 2014-02-18 21:11 persdata -> /dev/block/mmcblk0p23
lrwxrwxrwx root root 2014-02-18 21:11 persist -> /dev/block/mmcblk0p22
lrwxrwxrwx root root 2014-02-18 21:11 recovery -> /dev/block/mmcblk0p18
lrwxrwxrwx root root 2014-02-18 21:11 rpm -> /dev/block/mmcblk0p8
lrwxrwxrwx root root 2014-02-18 21:11 sbl1 -> /dev/block/mmcblk0p3
lrwxrwxrwx root root 2014-02-18 21:11 sbl1bak -> /dev/block/mmcblk0p4
lrwxrwxrwx root root 2014-02-18 21:11 ssd -> /dev/block/mmcblk0p21
lrwxrwxrwx root root 2014-02-18 21:11 system -> /dev/block/mmcblk0p24
lrwxrwxrwx root root 2014-02-18 21:11 tz -> /dev/block/mmcblk0p9
lrwxrwxrwx root root 2014-02-18 21:11 userdata -> /dev/block/mmcblk0p27

Sent with my Nova powered SM-G901F