blob: 8de032a1cd07af75510ea0dd202ef1c7dccc019f [file] [log] [blame]
Paul Kocialkowski461484c2016-02-27 19:19:13 +01001/*
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
11int 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
24int 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
37int 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}