diff options
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index 1ee63df5be92..31527e17076b 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -1,7 +1,7 @@ #ifndef _LINUX_FB_H #define _LINUX_FB_H -#include <asm/types.h> +#include <linux/types.h> #include <linux/i2c.h> struct dentry; @@ -960,6 +960,21 @@ extern struct fb_info *registered_fb[FB_MAX]; extern int num_registered_fb; extern struct class *fb_class; +static inline int lock_fb_info(struct fb_info *info) +{ + mutex_lock(&info->lock); + if (!info->fbops) { + mutex_unlock(&info->lock); + return 0; + } + return 1; +} + +static inline void unlock_fb_info(struct fb_info *info) +{ + mutex_unlock(&info->lock); +} + static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height) { |