1 files changed, 51 insertions, 0 deletions
diff --git a/board/kappa/led.c b/board/kappa/led.c
new file mode 100644
index 0000000000..de4eca8bbf
--- /dev/null
+++ b/board/kappa/led.c
@@ -0,0 +1,51 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Power and battery LED control for Kappa
+ */
+
+#include "common.h"
+#include "driver/ioexpander/it8801.h"
+#include "ec_commands.h"
+#include "led_common.h"
+#include "led_pwm.h"
+
+const enum ec_led_id supported_led_ids[] = {
+	EC_LED_ID_POWER_LED,
+};
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+struct pwm_led led_color_map[EC_LED_COLOR_COUNT] = {
+	[EC_LED_COLOR_AMBER] =  {100, 0, 0},
+	[EC_LED_COLOR_WHITE] =  {0, 0, 100},
+};
+
+struct pwm_led pwm_leds[CONFIG_LED_PWM_COUNT] = {
+	[PWM_LED0] = {
+		.ch0 = PWM_CH_LED_AMBER,
+		.ch1 = PWM_LED_NO_CHANNEL,
+		.ch2 = PWM_CH_LED_WHITE,
+		.enable = &it8801_pwm_enable,
+		.set_duty = &it8801_pwm_set_duty,
+	},
+};
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+	brightness_range[EC_LED_COLOR_AMBER] = 100;
+	brightness_range[EC_LED_COLOR_WHITE] = 100;
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+	if (brightness[EC_LED_COLOR_AMBER])
+		set_pwm_led_color(PWM_LED0, EC_LED_COLOR_AMBER);
+	else if (brightness[EC_LED_COLOR_WHITE])
+		set_pwm_led_color(PWM_LED0, EC_LED_COLOR_WHITE);
+	else
+		/* Otherwise, the "color" is "off". */
+		set_pwm_led_color(PWM_LED0, -1);
+
+	return EC_SUCCESS;
+}