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| author | Antonino A. Daplas <adaplas@gmail.com> | 2007-07-17 15:05:28 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 21:23:11 +0400 |
| commit | 317b3c2167f5326a7de30a1abe50c9897da7a0e3 (patch) | |
| tree | e0a8481121bb54bc2e714ea3b6c89b67a881a278 /include/asm-arm/fb.h | |
| parent | 10eb2659cc6059d0c4de2e2c66d1534091519f56 (diff) | |
| download | linux-317b3c2167f5326a7de30a1abe50c9897da7a0e3.tar.xz | |
fbdev: detect primary display device
Add function helper, fb_is_primary_device(). Given struct fb_info, it will
return a nonzero value if the device is the primary display.
Currently, only the i386 is supported where the function checks for the
IORESOURCE_ROM_SHADOW flag.
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-arm/fb.h')
| -rw-r--r-- | include/asm-arm/fb.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-arm/fb.h b/include/asm-arm/fb.h index 4bf5b88d90bf..d92e99cd8c8a 100644 --- a/include/asm-arm/fb.h +++ b/include/asm-arm/fb.h @@ -1,6 +1,7 @@ #ifndef _ASM_FB_H_ #define _ASM_FB_H_ +#include <linux/fb.h> #include <linux/fs.h> #include <asm/page.h> @@ -10,4 +11,9 @@ static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); } +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + #endif /* _ASM_FB_H_ */ |