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erosq: Initial PM support for "hw4" variant

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(They renamed the battery from 'battery' to 'axp_battery')

Change-Id: Ic42c31e1d5c01eafc3fe01b144d9f22d88933e04
This commit is contained in:
Solomon Peachy 2024-10-10 10:12:29 -04:00
parent 41abd8e32f
commit edbcf0b0f4
3 changed files with 56 additions and 6 deletions
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55
firmware/target/hosted/aigo/power-erosq.c
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@ -28,17 +28,34 @@
#include "power.h"
#include "panic.h"
#include "sysfs.h"
#include "tick.h"
const char * const sysfs_bat_voltage =
"/sys/class/power_supply/battery/voltage_now";
const char * const sysfs_bat_voltage[2] = {
"/sys/class/power_supply/battery/voltage_now",
"/sys/class/power_supply/axp_battery/voltage_now",
};
const char * const sysfs_bat_capacity =
"/sys/class/power_supply/battery/capacity";
const char * const sysfs_bat_capacity[2] = {
"/sys/class/power_supply/battery/capacity",
"/sys/class/power_supply/axp_battery/capacity",
};
const char * const sysfs_bat_status[2] = {
"/sys/class/power_supply/battery/status",
"/sys/class/power_supply/axp_battery/status",
};
static int hwver = 0;
unsigned int erosq_power_get_battery_voltage(void)
{
int battery_voltage;
sysfs_get_int(sysfs_bat_voltage, &battery_voltage);
int x = sysfs_get_int(sysfs_bat_voltage[hwver], &battery_voltage);
if (!x) {
hwver ^= 1;
sysfs_get_int(sysfs_bat_voltage[hwver], &battery_voltage);
}
return battery_voltage/1000;
}
@ -46,7 +63,33 @@ unsigned int erosq_power_get_battery_voltage(void)
unsigned int erosq_power_get_battery_capacity(void)
{
int battery_capacity;
sysfs_get_int(sysfs_bat_capacity, &battery_capacity);
int x = sysfs_get_int(sysfs_bat_capacity[hwver], &battery_capacity);
if (!x) {
hwver ^= 1;
sysfs_get_int(sysfs_bat_capacity[hwver], &battery_capacity);
}
return battery_capacity;
}
/* We get called multiple times per tick, let's cut that back! */
static long last_tick = 0;
static bool last_power = false;
bool charging_state(void)
{
if ((current_tick - last_tick) > HZ/2 ) {
char buf[12] = {0};
int x = sysfs_get_string(sysfs_bat_status[hwver], buf, sizeof(buf));
if (!x) {
hwver ^= 1;
sysfs_get_string(sysfs_bat_status[hwver], buf, sizeof(buf));
}
last_tick = current_tick;
last_power = (strncmp(buf, "Charging", 8) == 0);
}
return last_power;
}