video: backlight: Remove useless BACKLIGHT_LCD_SUPPORT kernel symbol

We have two *_CLASS_DEVICE kernel config options (LCD_CLASS_DEVICE
and BACKLIGHT_LCD_DEVICE) that do the same job.
The patch removes useless BACKLIGHT_LCD_SUPPORT option
and converts LCD_CLASS_DEVICE into a menu.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

arch/unicore32/Kconfig

@@ -195,7 +195,6 @@ config I2C_EEPROM_AT24
 
 config LCD_BACKLIGHT
 	tristate "LCD Backlight support"
-	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_PWM
 
 endmenu

drivers/gpu/drm/Kconfig

@@ -194,7 +194,6 @@ config DRM_RADEON
 	select POWER_SUPPLY
 	select HWMON
 	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	select INTERVAL_TREE
 	help
 	  Choose this option if you have an ATI Radeon graphics card.  There
@@ -215,7 +214,6 @@ config DRM_AMDGPU
 	select POWER_SUPPLY
 	select HWMON
 	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	select INTERVAL_TREE
 	select CHASH
 	help

drivers/gpu/drm/bridge/Kconfig

@@ -76,7 +76,6 @@ config DRM_PARADE_PS8622
 	depends on OF
 	select DRM_PANEL
 	select DRM_KMS_HELPER
-	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_CLASS_DEVICE
 	---help---
 	  Parade eDP-LVDS bridge chip driver.

drivers/gpu/drm/fsl-dcu/Kconfig

@@ -2,7 +2,6 @@ config DRM_FSL_DCU
 	tristate "DRM Support for Freescale DCU"
 	depends on DRM && OF && ARM && COMMON_CLK
 	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	select DRM_KMS_HELPER
 	select DRM_KMS_CMA_HELPER
 	select DRM_PANEL

drivers/gpu/drm/i915/Kconfig

@@ -15,7 +15,6 @@ config DRM_I915
 	select IRQ_WORK
 	# i915 depends on ACPI_VIDEO when ACPI is enabled
 	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
-	select BACKLIGHT_LCD_SUPPORT if ACPI
 	select BACKLIGHT_CLASS_DEVICE if ACPI
 	select INPUT if ACPI
 	select ACPI_VIDEO if ACPI

drivers/gpu/drm/nouveau/Kconfig

@@ -5,14 +5,12 @@ config DRM_NOUVEAU
 	select DRM_KMS_HELPER
 	select DRM_TTM
 	select BACKLIGHT_CLASS_DEVICE if DRM_NOUVEAU_BACKLIGHT
-	select BACKLIGHT_LCD_SUPPORT if DRM_NOUVEAU_BACKLIGHT
 	select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && INPUT
 	select X86_PLATFORM_DEVICES if ACPI && X86
 	select ACPI_WMI if ACPI && X86
 	select MXM_WMI if ACPI && X86
 	select POWER_SUPPLY
 	# Similar to i915, we need to select ACPI_VIDEO and it's dependencies
-	select BACKLIGHT_LCD_SUPPORT if ACPI && X86
 	select BACKLIGHT_CLASS_DEVICE if ACPI && X86
 	select INPUT if ACPI && X86
 	select THERMAL if ACPI && X86

drivers/gpu/drm/shmobile/Kconfig

@@ -4,7 +4,6 @@ config DRM_SHMOBILE
 	depends on DRM && ARM
 	depends on ARCH_SHMOBILE || COMPILE_TEST
 	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	select DRM_KMS_HELPER
 	select DRM_KMS_CMA_HELPER
 	select DRM_GEM_CMA_HELPER

drivers/gpu/drm/tilcdc/Kconfig

@@ -8,7 +8,6 @@ config DRM_TILCDC
 	select DRM_PANEL_BRIDGE
 	select VIDEOMODE_HELPERS
 	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	help
 	  Choose this option if you have an TI SoC with LCDC display
 	  controller, for example AM33xx in beagle-bone, DA8xx, or

drivers/staging/olpc_dcon/Kconfig

@@ -2,7 +2,6 @@ config FB_OLPC_DCON
 	tristate "One Laptop Per Child Display CONtroller support"
 	depends on OLPC && FB
 	depends on I2C
-	depends on BACKLIGHT_LCD_SUPPORT
 	depends on (GPIO_CS5535 || GPIO_CS5535=n)
 	select BACKLIGHT_CLASS_DEVICE
 	help

drivers/usb/misc/Kconfig

@@ -142,7 +142,6 @@ config USB_FTDI_ELAN
 
 config USB_APPLEDISPLAY
 	tristate "Apple Cinema Display support"
-	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_CLASS_DEVICE
 	help
 	  Say Y here if you want to control the backlight of Apple Cinema

drivers/video/backlight/Kconfig

@@ -2,13 +2,7 @@
 # Backlight & LCD drivers configuration
 #
 
-menuconfig BACKLIGHT_LCD_SUPPORT
-	bool "Backlight & LCD device support"
-	help
-	  Enable this to be able to choose the drivers for controlling the
-	  backlight and the LCD panel on some platforms, for example on PDAs.
-
-if BACKLIGHT_LCD_SUPPORT
+menu "Backlight & LCD device support"
 
 #
 # LCD
@@ -466,4 +460,4 @@ config BACKLIGHT_RAVE_SP
 
 endif # BACKLIGHT_CLASS_DEVICE
 
-endif # BACKLIGHT_LCD_SUPPORT
+endmenu

drivers/video/fbdev/Kconfig

@@ -186,7 +186,6 @@ config FB_MACMODES
 config FB_BACKLIGHT
 	tristate
 	depends on FB
-	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_CLASS_DEVICE
 
 config FB_MODE_HELPERS
@@ -281,7 +280,6 @@ config FB_ARMCLCD
 	select FB_CFB_IMAGEBLIT
 	select FB_MODE_HELPERS if OF
 	select VIDEOMODE_HELPERS if OF
-	select BACKLIGHT_LCD_SUPPORT if OF
 	select BACKLIGHT_CLASS_DEVICE if OF
 	help
 	  This framebuffer device driver is for the ARM PrimeCell PL110
@@ -315,7 +313,6 @@ config FB_ACORN
 config FB_CLPS711X
 	tristate "CLPS711X LCD support"
 	depends on FB && (ARCH_CLPS711X || COMPILE_TEST)
-	select BACKLIGHT_LCD_SUPPORT
 	select FB_MODE_HELPERS
 	select FB_SYS_FILLRECT
 	select FB_SYS_COPYAREA
@@ -343,7 +340,6 @@ config FB_SA1100
 config FB_IMX
 	tristate "Freescale i.MX1/21/25/27 LCD support"
 	depends on FB && ARCH_MXC
-	select BACKLIGHT_LCD_SUPPORT
 	select LCD_CLASS_DEVICE
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
@@ -2192,7 +2188,6 @@ config FB_MX3
 	tristate "MX3 Framebuffer support"
 	depends on FB && MX3_IPU
 	select BACKLIGHT_CLASS_DEVICE
-	select BACKLIGHT_LCD_SUPPORT
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT