> > That patch was rought draft for feedback. I applied your comments. This
> > patch actually works. It includes my backlight fix as well.
>
> Glad to hear it. I had to make the following changes
> in order for it to build.
> However, I still have build errors for aty.
Ug. I see another problem. I had backlight completly compiled as a
module! Thus it hid these compile errors. So we need also a
CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE check as well. Can sysfs handle this
well or would it be better the the backlight class be a boolean instead?
> ---
> From: Randy Dunlap <[email protected]>
>
> Replace CONFIG_FB_BACKLIGHT with CONFIG_BACKLIGHT_CLASS_DEVICE
> in include/linux/fb.h and drivers/video/fbsysfs.c
> to match Kconfig changes.
>
> Signed-off-by: Randy Dunlap <[email protected]>
> ---
> drivers/video/fbsysfs.c | 8 ++++----
> include/linux/fb.h | 4 ++--
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> --- linux-2.6.19-git7.orig/include/linux/fb.h
> +++ linux-2.6.19-git7/include/linux/fb.h
> @@ -367,7 +367,7 @@ struct fb_cursor {
> struct fb_image image; /* Cursor image */
> };
>
> -#ifdef CONFIG_FB_BACKLIGHT
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> /* Settings for the generic backlight code */
> #define FB_BACKLIGHT_LEVELS 128
> #define FB_BACKLIGHT_MAX 0xFF
> @@ -759,7 +759,7 @@ struct fb_info {
> struct list_head modelist; /* mode list */
> struct fb_videomode *mode; /* current mode */
>
> -#ifdef CONFIG_FB_BACKLIGHT
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> /* Lock ordering:
> * bl_mutex (protects bl_dev and bl_curve)
> * bl_dev->sem (backlight class)
> --- linux-2.6.19-git7.orig/drivers/video/fbsysfs.c
> +++ linux-2.6.19-git7/drivers/video/fbsysfs.c
> @@ -58,7 +58,7 @@ struct fb_info *framebuffer_alloc(size_t
>
> info->device = dev;
>
> -#ifdef CONFIG_FB_BACKLIGHT
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> mutex_init(&info->bl_mutex);
> #endif
>
> @@ -411,7 +411,7 @@ static ssize_t show_fbstate(struct devic
> return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state);
> }
>
> -#ifdef CONFIG_FB_BACKLIGHT
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> static ssize_t store_bl_curve(struct device *device,
> struct device_attribute *attr,
> const char *buf, size_t count)
> @@ -500,7 +500,7 @@ static struct device_attribute device_at
> __ATTR(stride, S_IRUGO, show_stride, NULL),
> __ATTR(rotate, S_IRUGO|S_IWUSR, show_rotate, store_rotate),
> __ATTR(state, S_IRUGO|S_IWUSR, show_fbstate, store_fbstate),
> -#ifdef CONFIG_FB_BACKLIGHT
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> __ATTR(bl_curve, S_IRUGO|S_IWUSR, show_bl_curve, store_bl_curve),
> #endif
> };
> @@ -541,7 +541,7 @@ void fb_cleanup_device(struct fb_info *f
> }
> }
>
> -#ifdef CONFIG_FB_BACKLIGHT
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> /* This function generates a linear backlight curve
> *
> * 0: off
>
-
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