pxa/hx4700: Add ASIC3 LED support

Add LED support for the HTC ASIC3. Underlying support is provided by the mfd/asic3 and leds/leds-asic3 drivers. An example configuration is provided by the pxa/hx4700 platform.
Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Acked-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

arch/arm/mach-pxa/hx4700.c

@@ -244,6 +244,21 @@ static u16 asic3_gpio_config[] = {
 	ASIC3_GPIOD15_nPIOW,
 };
 
+static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
+	[0] = {
+		.name = "hx4700:amber",
+		.default_trigger = "ds2760-battery.0-charging-blink-full-solid",
+	},
+	[1] = {
+		.name = "hx4700:green",
+		.default_trigger = "unused",
+	},
+	[2] = {
+		.name = "hx4700:blue",
+		.default_trigger = "hx4700-radio",
+	},
+};
+
 static struct resource asic3_resources[] = {
 	/* GPIO part */
 	[0] = {
@@ -274,6 +289,7 @@ static struct asic3_platform_data asic3_platform_data = {
 	.gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
 	.irq_base        = IRQ_BOARD_START,
 	.gpio_base       = HX4700_ASIC3_GPIO_BASE,
+	.leds            = asic3_leds,
 };
 
 static struct platform_device asic3 = {