[people/ms/u-boot.git] / drivers / input / twl6030.c

/*
 * 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;
}
Commit	Line	Data
461484c2 PK	1	/*
	2	* TWL6030 input
	3	*
	4	* Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
	5	*
	6	* SPDX-License-Identifier: GPL-2.0+
	7	*/
	8
	9	#include <twl6030.h>
	10
	11	int twl6030_input_power_button(void)
	12	{
	13	u8 value;
	14
	15	twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_STS_HW_CONDITIONS, &value);
	16
	17	/* Power button is active low. */
	18	if (value & TWL6030_STS_HW_CONDITIONS_PWRON)
	19	return 0;
	20
	21	return 1;
	22	}
	23
	24	int twl6030_input_charger(void)
	25	{
	26	u8 value;
	27
	28	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, TWL6030_CONTROLLER_STAT1,
	29	&value);
	30
	31	if (value & TWL6030_CONTROLLER_STAT1_VAC_DET)
	32	return 1;
	33
	34	return 0;
	35	}
	36
	37	int twl6030_input_usb(void)
	38	{
	39	u8 value;
	40
	41	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, TWL6030_CONTROLLER_STAT1,
	42	&value);
	43
	44	if (value & TWL6030_CONTROLLER_STAT1_VBUS_DET)
	45	return 1;
	46
	47	return 0;
	48	}