1 files changed, 0 insertions, 107 deletions
diff --git a/common/inductive_charging.c b/common/inductive_charging.c
deleted file mode 100644
index 793f535afe..0000000000
--- a/common/inductive_charging.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/* Copyright 2014 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.
- */
-
-/* Inductive charging control */
-
-#include "common.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "inductive_charging.h"
-#include "lid_switch.h"
-#include "timer.h"
-
-/*
- * The inductive charger is controlled with two signals:
- *   - BASE_CHG_VDD_EN controls whether the charger is powered.
- *   - CHARGE_EN controls whether to enable charging.
- * Charging status is reported via CHARGE_DONE, but in a tricky way:
- *   - It's 0 if:
- *     + The charger is unpowered. (i.e. BASE_CHG_VDD_EN = 0)
- *     + Or charging is disabled. (i.e. CHARGE_EN = 0)
- *     + Or the charging current is small enough.
- *   - Otherwise, it's 1.
- */
-
-/* Whether we want to process interrupts on CHARGE_DONE or not. */
-static int monitor_charge_done;
-
-/*
- * Start monitoring CHARGE_DONE and fires the interrupt once so that
- * we react to the current value.
- */
-static void inductive_charging_monitor_charge(void)
-{
-	monitor_charge_done = 1;
-	inductive_charging_interrupt(GPIO_CHARGE_DONE);
-}
-DECLARE_DEFERRED(inductive_charging_monitor_charge);
-
-void inductive_charging_interrupt(enum gpio_signal signal)
-{
-	int charger_enabled = gpio_get_level(GPIO_BASE_CHG_VDD_EN);
-	int charge_done = gpio_get_level(GPIO_CHARGE_DONE);
-	static int charge_already_done;
-
-	if (!monitor_charge_done && signal == GPIO_CHARGE_DONE)
-		return;
-
-	if (signal == GPIO_LID_OPEN) {
-		/* The lid has been opened. Clear all states. */
-		charge_done = 0;
-		charge_already_done = 0;
-		monitor_charge_done = 0;
-	} else if (signal == GPIO_CHARGE_DONE) {
-		/*
-		 * Once we see CHARGE_DONE=1, we ignore any change on
-		 * CHARGE_DONE until the next time the lid is opened.
-		 */
-		if (charge_done == 1)
-			charge_already_done = 1;
-		else if (charge_already_done)
-			return;
-	}
-
-	if (!charger_enabled || charge_done) {
-		gpio_set_level(GPIO_CHARGE_EN, 0);
-	} else {
-		gpio_set_level(GPIO_CHARGE_EN, 1);
-		/*
-		 * When the charging is just enabled, there might be a
-		 * blip on CHARGE_DONE. Wait for a second before we start
-		 * looking at CHARGE_DONE.
-		 */
-		if (!monitor_charge_done)
-			hook_call_deferred(
-				&inductive_charging_monitor_charge_data,
-				SECOND);
-	}
-}
-
-static void inductive_charging_deferred_update(void)
-{
-	int lid_open = lid_is_open();
-	gpio_set_level(GPIO_BASE_CHG_VDD_EN, !lid_open);
-	inductive_charging_interrupt(GPIO_LID_OPEN);
-}
-DECLARE_DEFERRED(inductive_charging_deferred_update);
-
-static void inductive_charging_lid_update(void)
-{
-	/*
-	 * When the lid close signal changes, the coils might still be
-	 * unaligned. Delay here to give the coils time to align before
-	 * we try to clear CHARGE_DONE.
-	 */
-	hook_call_deferred(&inductive_charging_deferred_update_data,
-			   5 * SECOND);
-}
-DECLARE_HOOK(HOOK_LID_CHANGE, inductive_charging_lid_update, HOOK_PRIO_DEFAULT);
-
-static void inductive_charging_init(void)
-{
-	gpio_enable_interrupt(GPIO_CHARGE_DONE);
-	inductive_charging_lid_update();
-}
-DECLARE_HOOK(HOOK_INIT, inductive_charging_init, HOOK_PRIO_DEFAULT);