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773e3c369f
"Auto" mode is observed to cause problems and thus is removed. This leaves only three modes: - Standard downstream port. USB 2.0 mode. 500mA. - Charging downstream port. BC1.2. 1500mA. - Dedicated charging port. BC1.2. 1500mA. BUG=chrome-os-partner:11550 TEST=Check all modes work as expected. Check no discharge between the first two modes. BRANCH=link CQ-DEPEND=31639 Change-Id: I41102a8bc3ac34ff9a1bf4e47c89cdb93a2c4eb5 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/31616
29 lines
763 B
C
29 lines
763 B
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* USB charging control module for Chrome EC */
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#ifndef __CROS_EC_USB_CHARGE_H
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#define __CROS_EC_USB_CHARGE_H
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#include "board.h"
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enum usb_charge_mode {
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/* Disable USB port. */
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USB_CHARGE_MODE_DISABLED,
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/* Set USB port to Standard Downstream Port, USB 2.0 mode. */
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USB_CHARGE_MODE_SDP2,
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/* Set USB port to Charging Downstream Port, BC 1.2. */
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USB_CHARGE_MODE_CDP,
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/* Set USB port to Dedicated Charging Port, BC 1.2. */
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USB_CHARGE_MODE_DCP_SHORT,
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USB_CHARGE_MODE_COUNT
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};
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int usb_charge_set_mode(int usb_port_id, enum usb_charge_mode);
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#endif /* __CROS_EC_USB_CHARGE_H */
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