1 files changed, 0 insertions, 166 deletions
diff --git a/driver/led/ds2413.c b/driver/led/ds2413.c
deleted file mode 100644
index b856d85671..0000000000
--- a/driver/led/ds2413.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/* Copyright 2013 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 LED control for Chrome EC */
-
-#include "charge_state.h"
-#include "console.h"
-#include "hooks.h"
-#include "onewire.h"
-#include "timer.h"
-#include "util.h"
-
-#define ONEWIRE_RETRIES 10
-
-enum led_color {
-	LED_OFF = 0,
-	LED_RED,
-	LED_YELLOW,
-	LED_GREEN,
-	LED_COLOR_COUNT  /* Number of colors, not a color itself */
-};
-
-static const uint8_t led_masks[LED_COLOR_COUNT] = {0xff, 0xfe, 0xfc, 0xfd};
-static const char * const color_names[LED_COLOR_COUNT] = {
-	"off", "red", "yellow", "green"};
-
-/**
- * Set the onewire LED GPIO controller outputs
- *
- * @param mask		Mask of outputs to enable
- *
- * @return EC_SUCCESS, or non-zero if error.
- */
-static int led_set_mask(int mask)
-{
-	int rv;
-
-	/* Reset the 1-wire bus */
-	rv = onewire_reset();
-	if (rv)
-		return rv;
-
-	/* Skip ROM, since only one device */
-	onewire_write(0xcc);
-
-	/* Write and turn on the LEDs */
-	onewire_write(0x5a);
-	onewire_write(mask);
-	onewire_write(~mask);  /* Repeat inverted */
-
-	rv = onewire_read();   /* Confirmation byte */
-	if (rv != 0xaa)
-		return EC_ERROR_UNKNOWN;
-
-	/* The next byte is a read-back of the chip status.  Since we're only
-	 * using lines as outputs, we can ignore it. */
-	return EC_SUCCESS;
-}
-
-static int led_set(enum led_color color)
-{
-	int rv = EC_SUCCESS;
-	int i;
-
-	/*
-	 * 1-wire communication can fail for timing reasons in the current
-	 * system.  We have a limited timing window to send/receive bits, but
-	 * we can't disable interrupts for the rest of the system to guarantee
-	 * we hit that window.  Instead, simply retry the low-level command a
-	 * few times.
-	 */
-	for (i = 0; i < ONEWIRE_RETRIES; i++) {
-		rv = led_set_mask(led_masks[color]);
-		if (rv == EC_SUCCESS)
-			break;
-
-		/*
-		 * Sleep for a bit between tries.  This gives the 1-wire GPIO
-		 * chip time to recover from the failed attempt, and allows
-		 * lower-priority tasks a chance to run.
-		 */
-		usleep(100);
-	}
-
-	return rv;
-}
-
-/*****************************************************************************/
-/* Hooks */
-
-static void onewire_led_tick(void)
-{
-	static enum led_color current_color = LED_COLOR_COUNT;
-	static int tick_count;
-
-	enum led_color new_color = LED_OFF;
-	uint32_t chflags = charge_get_flags();
-
-	tick_count++;
-
-	if (!(chflags & CHARGE_FLAG_EXTERNAL_POWER)) {
-		/* AC isn't present, so the power LED on the AC plug is off */
-		current_color = LED_OFF;
-		return;
-	}
-
-	/* Translate charge state to LED color */
-	switch (charge_get_state()) {
-	case PWR_STATE_IDLE:
-		if (chflags & CHARGE_FLAG_FORCE_IDLE)
-			new_color = (tick_count & 1) ? LED_GREEN : LED_OFF;
-		else
-			new_color = LED_GREEN;
-		break;
-	case PWR_STATE_CHARGE:
-		new_color = LED_YELLOW;
-		break;
-	case PWR_STATE_CHARGE_NEAR_FULL:
-		new_color = LED_GREEN;
-		break;
-	case PWR_STATE_ERROR:
-		new_color = LED_RED;
-		break;
-	default:
-		/* Other states don't change LED color */
-		break;
-	}
-
-	/*
-	 * The power adapter on link can partially unplug and lose its LED
-	 * state.  There's no way to detect this, so just assume it forgets its
-	 * state every 10 seconds.
-	 */
-	if (!(tick_count % 10))
-		current_color = LED_COLOR_COUNT;
-
-	/* If current color is still correct, leave now */
-	if (new_color == current_color)
-		return;
-
-	/* Update LED */
-	if (!led_set(new_color))
-		current_color = new_color;
-}
-DECLARE_HOOK(HOOK_SECOND, onewire_led_tick, HOOK_PRIO_DEFAULT);
-
-/*****************************************************************************/
-/* Console commands */
-#define CONFIG_CMD_POWERLED
-static int command_powerled(int argc, char **argv)
-{
-	int i;
-
-	/* Pick a color, any color... */
-	for (i = 0; i < LED_COLOR_COUNT; i++) {
-		if (!strcasecmp(argv[1], color_names[i]))
-			return led_set(i);
-	}
-	return EC_ERROR_PARAM1;
-}
-DECLARE_CONSOLE_COMMAND(powerled, command_powerled,
-			"<off | red | yellow | green>",
-			"Set power LED color");
-#endif