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de7e54c302
Battery present should be correctly detected even the battery is in ship mode and waked by AC. BRANCH=None BUG=None TEST=Use "ectool batterycutoff" to enter battery ship mode and plug in type-c adapter to wake battery Change-Id: Ic10844562def23a9633dd8333ffbd9a75340bf03 Reviewed-on: https://chromium-review.googlesource.com/477813 Commit-Ready: Martin Roth <martinroth@chromium.org> Tested-by: Lin Cloud <cloud_lin@compal.com> Tested-by: Martin Roth <martinroth@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: YH Lin <yueherngl@chromium.org> Reviewed-by: Martin Roth <martinroth@chromium.org>
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* Copyright 2017 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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* Battery pack vendor provided charging profile
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*/
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#include "battery.h"
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#include "battery_smart.h"
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#include "extpower.h"
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#include "gpio.h"
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/* Shutdown mode parameter to write to manufacturer access register */
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#define SB_SHUTDOWN_DATA 0x0010
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static const struct battery_info info = {
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.voltage_max = 13200,/* mV */
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.voltage_normal = 11400,
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.voltage_min = 9000,
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.precharge_current = 256,/* mA */
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.start_charging_min_c = 0,
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.start_charging_max_c = 50,
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.charging_min_c = 0,
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.charging_max_c = 60,
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.discharging_min_c = -20,
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.discharging_max_c = 70,
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};
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const struct battery_info *battery_get_info(void)
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{
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return &info;
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}
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int board_cut_off_battery(void)
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{
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int rv;
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/* Ship mode command must be sent twice to take effect */
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rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
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if (rv != EC_SUCCESS)
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return rv;
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return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
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}
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