diff options
Diffstat (limited to 'drivers/video/bf54x-lq043fb.c')
| -rw-r--r-- | drivers/video/bf54x-lq043fb.c | 49 |
1 files changed, 14 insertions, 35 deletions
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index e49ae5edcc00..23b2a8c0dbfc 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -82,7 +82,6 @@ struct bfin_bf54xfb_info { unsigned char *fb_buffer; /* RGB Buffer */ dma_addr_t dma_handle; - int lq043_mmap; int lq043_open_cnt; int irq; spinlock_t lock; /* lock */ @@ -316,7 +315,6 @@ static int bfin_bf54x_fb_release(struct fb_info *info, int user) spin_lock(&fbi->lock); fbi->lq043_open_cnt--; - fbi->lq043_mmap = 0; if (fbi->lq043_open_cnt <= 0) { @@ -374,33 +372,6 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var, return 0; } -static int bfin_bf54x_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - - struct bfin_bf54xfb_info *fbi = info->par; - - if (fbi->lq043_mmap) - return -1; - - spin_lock(&fbi->lock); - fbi->lq043_mmap = 1; - spin_unlock(&fbi->lock); - - vma->vm_start = (unsigned long)(fbi->fb_buffer); - - vma->vm_end = vma->vm_start + info->fix.smem_len; - /* For those who don't understand how mmap works, go read - * Documentation/nommu-mmap.txt. - * For those that do, you will know that the VM_MAYSHARE flag - * must be set in the vma->vm_flags structure on noMMU - * Other flags can be set, and are documented in - * include/linux/mm.h - */ - vma->vm_flags |= VM_MAYSHARE | VM_SHARED; - - return 0; -} - int bfin_bf54x_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) { if (nocursor) @@ -452,7 +423,6 @@ static struct fb_ops bfin_bf54x_fb_ops = { .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, - .fb_mmap = bfin_bf54x_fb_mmap, .fb_cursor = bfin_bf54x_fb_cursor, .fb_setcolreg = bfin_bf54x_fb_setcolreg, }; @@ -463,7 +433,7 @@ static int bl_get_brightness(struct backlight_device *bd) return 0; } -static struct backlight_ops bfin_lq043fb_bl_ops = { +static const struct backlight_ops bfin_lq043fb_bl_ops = { .get_brightness = bl_get_brightness, }; @@ -531,6 +501,7 @@ static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id) static int __devinit bfin_bf54x_probe(struct platform_device *pdev) { + struct backlight_properties props; struct bfin_bf54xfb_info *info; struct fb_info *fbinfo; int ret; @@ -675,10 +646,16 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) goto out8; } #ifndef NO_BL_SUPPORT - bl_dev = - backlight_device_register("bf54x-bl", NULL, NULL, - &bfin_lq043fb_bl_ops); - bl_dev->props.max_brightness = 255; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 255; + bl_dev = backlight_device_register("bf54x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops, &props); + if (IS_ERR(bl_dev)) { + printk(KERN_ERR DRIVER_NAME + ": unable to register backlight.\n"); + ret = -EINVAL; + goto out9; + } lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); @@ -686,6 +663,8 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) return 0; +out9: + unregister_framebuffer(fbinfo); out8: free_irq(info->irq, info); out7: |