On Friday, November 25, 2016 8:50:04 AM CET Robin van der Gracht wrote:
>
> Thanks for reporting this. You are right about the missing helper.
> However, the fb_ops struct uses several helpers which are all missing.
>
> static struct fb_ops ht16k33_fb_ops = {
> .owner = THIS_MODULE,
> .fb_read = fb_sys_read,
> .fb_write = fb_sys_write,
> .fb_fillrect = sys_fillrect,
> .fb_copyarea = sys_copyarea,
> .fb_imageblit = sys_imageblit,
> .fb_mmap = ht16k33_mmap,
> };
>
> HT16K33 should also select:
> FB_CFB_FILLRECT
> FB_CFB_COPYAREA
> FB_CFB_IMAGEBLIT
>
Ah right. I had not run into those so far during randconfig
testing, probably because there is usually at least one other
framebuffer enabled that selects them.
Can you submit a patch to add all those?
Arnd
