kernel: add backlight kernel module support

[openwrt/openwrt.git] / package / kernel / linux / modules / video.mk

diff --git a/package/kernel/linux/modules/video.mk b/package/kernel/linux/modules/video.mk
index 0fcacb2d89faf85357559a6f76c5d5da467e7541..61d7d88497b336910c3cd1882840515abc40e1de 100644 (file)
--- a/package/kernel/linux/modules/video.mk
+++ b/package/kernel/linux/modules/video.mk
@@ -11,6 +11,52 @@ VIDEO_MENU:=Video Support
 V4L2_DIR=v4l2-core
 V4L2_USB_DIR=usb
 
+#
+# Video Display
+#
+
+define KernelPackage/backlight
+       SUBMENU:=$(VIDEO_MENU)
+       TITLE:=Backlight support
+       KCONFIG:=CONFIG_BACKLIGHT_CLASS_DEVICE=m \
+               CONFIG_BACKLIGHT_LCD_SUPPORT=y \
+               CONFIG_LCD_CLASS_DEVICE=n \
+               CONFIG_BACKLIGHT_PWM=n \
+               CONFIG_BACKLIGHT_GENERIC=n \
+               CONFIG_BACKLIGHT_ADP8860=n \
+               CONFIG_BACKLIGHT_ADP8870=n \
+               CONFIG_BACKLIGHT_PM8941_WLED=n
+       FILES:=$(LINUX_DIR)/drivers/video/backlight/backlight.ko
+       AUTOLOAD:=$(call AutoProbe,video backlight)
+endef
+
+define KernelPackage/backlight/description
+       Kernel module for Backlight support.
+endef
+
+$(eval $(call KernelPackage,backlight))
+
+define AddDepends/backlight
+       SUBMENU:=$(VIDEO_MENU)
+       DEPENDS+=kmod-backlight $(1)
+endef
+
+define KernelPackage/backlight-pwm
+       TITLE:=PWM Backlight support
+       DEPENDS:=+kmod-pwm
+       KCONFIG:=CONFIG_BACKLIGHT_PWM=m
+       FILES:=$(LINUX_DIR)/drivers/video/backlight/pwm_bl.ko
+       AUTOLOAD:=$(call AutoProbe,video pwm_bl)
+       $(call AddDepends/backlight)
+endef
+
+define KernelPackage/backlight/backlight-pwm
+       Kernel module for PWM based Backlight support.
+endef
+
+$(eval $(call KernelPackage,backlight-pwm))
+
+
 define KernelPackage/fb
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=Framebuffer support
@@ -121,6 +167,7 @@ endef
 
 define KernelPackage/video-videobuf2
   TITLE:=videobuf2 lib
+  DEPENDS:=+kmod-dma-buf
   KCONFIG:= \
        CONFIG_VIDEOBUF2_CORE \
        CONFIG_VIDEOBUF2_MEMOPS \