diff options
| author | Rob Clark <robdclark@gmail.com> | 2018-12-20 19:13:07 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2018-12-20 19:13:07 +0100 |
| commit | b4a1ed0cd18b771e4279b4eb9cf39b565560eea6 (patch) | |
| tree | 29acad0b518ea8aea3d468822eb3c94b81e28662 | |
| parent | c143a559b073aeea688b9bb7c5b46f3cf322d569 (diff) | |
| download | linux-b4a1ed0cd18b771e4279b4eb9cf39b565560eea6.tar.bz2 | |
fbdev: make FB_BACKLIGHT a tristate
BACKLIGHT_CLASS_DEVICE is already tristate, but a dependency
FB_BACKLIGHT prevents it from being built as a module. There
doesn't seem to be any particularly good reason for this, so
switch FB_BACKLIGHT over to tristate.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ulf Magnusson <ulfalizer@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Hans de Goede <j.w.r.degoede@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
| -rw-r--r-- | drivers/video/fbdev/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/video/fbdev/core/fbsysfs.c | 8 | ||||
| -rw-r--r-- | include/linux/fb.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/fb.h | 2 |
4 files changed, 6 insertions, 8 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index e413f54208f4..5d85965767e3 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -184,7 +184,7 @@ config FB_MACMODES depends on FB config FB_BACKLIGHT - bool + tristate depends on FB select BACKLIGHT_LCD_SUPPORT select BACKLIGHT_CLASS_DEVICE diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c index e31a182b42bf..44cca39f2b51 100644 --- a/drivers/video/fbdev/core/fbsysfs.c +++ b/drivers/video/fbdev/core/fbsysfs.c @@ -60,7 +60,7 @@ struct fb_info *framebuffer_alloc(size_t size, struct device *dev) info->device = dev; info->fbcon_rotate_hint = -1; -#ifdef CONFIG_FB_BACKLIGHT +#if IS_ENABLED(CONFIG_FB_BACKLIGHT) mutex_init(&info->bl_curve_mutex); #endif @@ -429,7 +429,7 @@ static ssize_t show_fbstate(struct device *device, return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); } -#ifdef CONFIG_FB_BACKLIGHT +#if IS_ENABLED(CONFIG_FB_BACKLIGHT) static ssize_t store_bl_curve(struct device *device, struct device_attribute *attr, const char *buf, size_t count) @@ -510,7 +510,7 @@ static struct device_attribute device_attrs[] = { __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 +#if IS_ENABLED(CONFIG_FB_BACKLIGHT) __ATTR(bl_curve, S_IRUGO|S_IWUSR, show_bl_curve, store_bl_curve), #endif }; @@ -551,7 +551,7 @@ void fb_cleanup_device(struct fb_info *fb_info) } } -#ifdef CONFIG_FB_BACKLIGHT +#if IS_ENABLED(CONFIG_FB_BACKLIGHT) /* This function generates a linear backlight curve * * 0: off diff --git a/include/linux/fb.h b/include/linux/fb.h index a3cab6dc9b44..7cdd31a69719 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -485,7 +485,7 @@ struct fb_info { struct list_head modelist; /* mode list */ struct fb_videomode *mode; /* current mode */ -#ifdef CONFIG_FB_BACKLIGHT +#if IS_ENABLED(CONFIG_FB_BACKLIGHT) /* assigned backlight device */ /* set before framebuffer registration, remove after unregister */ diff --git a/include/uapi/linux/fb.h b/include/uapi/linux/fb.h index 6cd9b198b7c6..b6aac7ee1f67 100644 --- a/include/uapi/linux/fb.h +++ b/include/uapi/linux/fb.h @@ -393,11 +393,9 @@ struct fb_cursor { struct fb_image image; /* Cursor image */ }; -#ifdef CONFIG_FB_BACKLIGHT /* Settings for the generic backlight code */ #define FB_BACKLIGHT_LEVELS 128 #define FB_BACKLIGHT_MAX 0xFF -#endif #endif /* _UAPI_LINUX_FB_H */ |