555299af9f
affects all hiby targets, fiiom3k, and ibasso dx50/dx90 As well as deduplicating a small pile of code, this also implements hysteresis so we're not doing a sysfs read/lookup multiple times back-to-back every time the power management tick fires. Change-Id: I2f7672acbb36341becf67e07960c24c681270d09
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2017 by Marcin Bukat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include "system.h"
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#include "power-agptek.h"
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#include "power.h"
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#include "panic.h"
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#include "sysfs.h"
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const char * const sysfs_bat_voltage =
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"/sys/class/power_supply/battery/voltage_now";
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unsigned int agptek_power_get_battery_voltage(void)
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{
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int battery_voltage;
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sysfs_get_int(sysfs_bat_voltage, &battery_voltage);
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return battery_voltage/1000;
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}
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