(Feature Request) Allow us to increase headphone and speaker volume topic

Please, Allow us to increase headphone and speaker volume in the rom for all devices by using Alsamixer app (in google play) and editing the file in system/etc/sound by es text editor (included in Es file explorer) to include maximum values as read by Alsamixer app for headphone and speaker volume in the file then make it permanent with the rom (not changed by rom updates) as this post:
http://forum.xda-developers.com/gala...phone-t3002099
Thanks alot