twl6030.c
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/*
* TWL6030 input
*
* Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <twl6030.h>
int twl6030_input_power_button(void)
{
u8 value;
twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_STS_HW_CONDITIONS, &value);
/* Power button is active low. */
if (value & TWL6030_STS_HW_CONDITIONS_PWRON)
return 0;
return 1;
}
int twl6030_input_charger(void)
{
u8 value;
twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, TWL6030_CONTROLLER_STAT1,
&value);
if (value & TWL6030_CONTROLLER_STAT1_VAC_DET)
return 1;
return 0;
}
int twl6030_input_usb(void)
{
u8 value;
twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, TWL6030_CONTROLLER_STAT1,
&value);
if (value & TWL6030_CONTROLLER_STAT1_VBUS_DET)
return 1;
return 0;
}