Add 'FB_MXC_OVERLAY' config to control overlay framebuffer
feature. And also add this config to defconfig.
Signed-off-by: Fancy Fang <chen.fang@nxp.com>
CONFIG_DRM_VIVANTE=y
CONFIG_FB=y
CONFIG_FB_MXS=y
+CONFIG_FB_MXC_OVERLAY=y
CONFIG_FB_MXC_SYNC_PANEL=y
CONFIG_FB_MXC_MIPI_DSI=y
CONFIG_FB_MXC_MIPI_DSI_SAMSUNG=y
depends on FB_MXC
tristate "Synchronous Panel Framebuffer"
+config FB_MXC_OVERLAY
+ depends on FB_MXC
+ tristate "Overlay Framebuffer"
+ default n
+ help
+ Enhanced LCD controller of MXC has overlay function.
+
config FB_MXC_MIPI_DSI
tristate "MXC MIPI_DSI"
depends on FB_MXC_SYNC_PANEL