mediatek: build ubnt-ledbar as a module

The config for LEDS_UBNT_LEDBAR doesn't stay in mt7629 kconfig because
of its I2C dependency. Build it as a module and let buildroot handle
this config option instead.

Signed-off-by: Chuanhong Guo <[email protected]>

target/linux/mediatek/image/mt7622.mk

@@ -228,7 +228,7 @@ define Device/ubnt_unifi-6-lr
   DEVICE_DTS_CONFIG := config@1
   DEVICE_DTS := mt7622-ubnt-unifi-6-lr
   DEVICE_DTS_DIR := ../dts
-  DEVICE_PACKAGES := kmod-mt7915e
+  DEVICE_PACKAGES := kmod-mt7915e kmod-leds-ubnt-ledbar
 endef
 TARGET_DEVICES += ubnt_unifi-6-lr
 
@@ -238,7 +238,7 @@ define Device/ubnt_unifi-6-lr-ubootmod
   DEVICE_VARIANT := U-Boot mod
   DEVICE_DTS := mt7622-ubnt-unifi-6-lr-ubootmod
   DEVICE_DTS_DIR := ../dts
-  DEVICE_PACKAGES := kmod-mt7915e
+  DEVICE_PACKAGES := kmod-mt7915e kmod-leds-ubnt-ledbar
   KERNEL := kernel-bin | lzma
   KERNEL_INITRAMFS_SUFFIX := -recovery.itb
   KERNEL_INITRAMFS := kernel-bin | lzma | fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd | pad-to 64k

target/linux/mediatek/modules.mk

@@ -38,3 +38,19 @@ define KernelPackage/sdhci-mtk
 endef
 
 $(eval $(call KernelPackage,sdhci-mtk))
+
+define KernelPackage/leds-ubnt-ledbar
+  SUBMENU:=LED modules
+  TITLE:=Ubiquiti UniFi 6 LR LED support
+  KCONFIG:=CONFIG_LEDS_UBNT_LEDBAR
+  FILES:= \
+	$(LINUX_DIR)/drivers/leds/leds-ubnt-ledbar.ko
+  AUTOLOAD:=$(call AutoProbe,leds-ubnt-ledbar,1)
+  DEPENDS:=@TARGET_mediatek_mt7622 +kmod-i2c-core
+endef
+
+define KernelPackage/leds-ubnt-ledbar/description
+  LED support for Ubiquiti UniFi 6 LR
+endef
+
+$(eval $(call KernelPackage,leds-ubnt-ledbar))

target/linux/mediatek/mt7622/config-5.15

@@ -222,7 +222,6 @@ CONFIG_IRQ_TIME_ACCOUNTING=y
 CONFIG_IRQ_WORK=y
 CONFIG_JBD2=y
 CONFIG_JUMP_LABEL=y
-CONFIG_LEDS_UBNT_LEDBAR=y
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_LOCK_SPIN_ON_OWNER=y

target/linux/mediatek/mt7623/config-5.15

@@ -297,7 +297,6 @@ CONFIG_KMAP_LOCAL_NON_LINEAR_PTE_ARRAY=y
 CONFIG_LCD_CLASS_DEVICE=y
 CONFIG_LCD_PLATFORM=y
 CONFIG_LEDS_MT6323=y
-# CONFIG_LEDS_UBNT_LEDBAR is not set
 CONFIG_LIBFDT=y
 CONFIG_LOCK_DEBUGGING_SUPPORT=y
 CONFIG_LOCK_SPIN_ON_OWNER=y