waterDataFluctuationCorrelation hiddenDangerAnalysis.c 李欣儒 commit at 2020-11-10

waterDataFluctuationCorrelation/fluctuationCorrelationOfFireHydrant/hiddenDangerAnalysis.c

@@ -273,3 +273,43 @@ static struct snd_platform_data dm644x_evm_snd_data;
 
 #define PCF_Uxx_BASE(x)	(DAVINCI_N_GPIO + ((x) * 8))
 
+
+/* U2 -- LEDs */
+
+static struct gpio_led evm_leds[] = {
+	{ .name = "DS8", .active_low = 1,
+		.default_trigger = "heartbeat", },
+	{ .name = "DS7", .active_low = 1, },
+	{ .name = "DS6", .active_low = 1, },
+	{ .name = "DS5", .active_low = 1, },
+	{ .name = "DS4", .active_low = 1, },
+	{ .name = "DS3", .active_low = 1, },
+	{ .name = "DS2", .active_low = 1,
+		.default_trigger = "mmc0", },
+	{ .name = "DS1", .active_low = 1,
+		.default_trigger = "ide-disk", },
+};
+
+static const struct gpio_led_platform_data evm_led_data = {
+	.num_leds	= ARRAY_SIZE(evm_leds),
+	.leds		= evm_leds,
+};
+
+static struct platform_device *evm_led_dev;
+
+static int
+evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+{
+	struct gpio_led *leds = evm_leds;
+	int status;
+
+	while (ngpio--) {
+		leds->gpio = gpio++;
+		leds++;
+	}
+
+	/* what an extremely annoying way to be forced to handle
+	 * device unregistration ...
+	 */
+	evm_led_dev = platform_device_alloc("leds-gpio", 0);
+	platform_device_add_data(evm_led_dev,