media: leds: as3645a: Add LED flash class driver

Add a LED flash class driver for the as3654a flash controller. A V4L2 flash
driver for it already exists (drivers/media/i2c/as3645a.c), and this driver
is based on that.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

MAINTAINERS

@@ -2123,6 +2123,12 @@ S:	Maintained
 F:	arch/arm64/
 F:	Documentation/arm64/
 
+AS3645A LED FLASH CONTROLLER DRIVER
+M:	Sakari Ailus <sakari.ailus@iki.fi>
+L:	linux-leds@vger.kernel.org
+S:	Maintained
+F:	drivers/leds/leds-as3645a.c
+
 AS3645A LED FLASH CONTROLLER DRIVER
 M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 L:	linux-media@vger.kernel.org

drivers/leds/Kconfig

@@ -58,6 +58,14 @@ config LEDS_AAT1290
 	help
 	 This option enables support for the LEDs on the AAT1290.
 
+config LEDS_AS3645A
+	tristate "AS3645A LED flash controller support"
+	depends on I2C && LEDS_CLASS_FLASH
+	help
+	  Enable LED flash class support for AS3645A LED flash
+	  controller. V4L2 flash API is provided as well if
+	  CONFIG_V4L2_FLASH_API is enabled.
+
 config LEDS_BCM6328
 	tristate "LED Support for Broadcom BCM6328"
 	depends on LEDS_CLASS

drivers/leds/Makefile

@@ -8,6 +8,7 @@ obj-$(CONFIG_LEDS_TRIGGERS)		+= led-triggers.o
 # LED Platform Drivers
 obj-$(CONFIG_LEDS_88PM860X)		+= leds-88pm860x.o
 obj-$(CONFIG_LEDS_AAT1290)		+= leds-aat1290.o
+obj-$(CONFIG_LEDS_AS3645A)		+= leds-as3645a.o
 obj-$(CONFIG_LEDS_BCM6328)		+= leds-bcm6328.o
 obj-$(CONFIG_LEDS_BCM6358)		+= leds-bcm6358.o
 obj-$(CONFIG_LEDS_BD2802)		+= leds-bd2802.o