HDMI Display Brightness control through Raspberry pi GPIO

[velu]

I am using 10.1 inch HDMI display with Raspberry pi , I need to know whether the display brightness control through the GPIO's of raspberry pi using python program

Please comment, Let us know

[topguy]

Do you want to connect buttons to the GPIO to use as "brightness up" "brightness down" ?

Or do you want to connect the GPIO pins to the display itself and control display brightness this way ?
( without any datasheet for the screen I don't know how we could try to answer this question )