SYNOPSIS

ssize_t drm_fb_helper_sys_read(struct fb_info * info, char __user * buf, size_t count, loff_t * ppos);

ARGUMENTS

info

fb_info struct pointer

buf

userspace buffer to read from framebuffer memory

count

number of bytes to read from framebuffer memory

ppos

read offset within framebuffer memory

DESCRIPTION

A wrapper around fb_sys_read implemented by fbdev core

AUTHORS

Jesse Barnes <[email protected]>
Intel Corporation,         
        

Initial version

Laurent Pinchart <[email protected]>
Ideas on board SPRL,         
        

Driver internals

Daniel Vetter <[email protected]>
Intel Corporation,         
        

Contributions all over the place

Lukas Wunner <[email protected]>

vga_switcheroo documentation

COPYRIGHT