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Add battery charging parameters

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This commit is contained in:
Jeremy Soller 2020-01-10 14:32:39 -07:00
parent 5b9a784122
commit b0fa0f004c
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GPG Key ID: E988B49EE78A7FB1
1 changed files with 4 additions and 8 deletions
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12
src/board/system76/lemp9/battery.c
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@ -22,7 +22,6 @@ int smbus_write(uint8_t address, uint8_t command, uint16_t data) {
int battery_charger_disable(void) {
int res = 0;
/* TODO: Grab battery settings
// Set charge option 0 with 175s watchdog
res = smbus_write(
0x09,
@ -40,7 +39,6 @@ int battery_charger_disable(void) {
// Disable charge voltage
res = smbus_write(0x09, 0x15, 0);
if (res < 0) return res;
*/
return 0;
}
@ -51,13 +49,12 @@ int battery_charger_enable(void) {
res = battery_charger_disable();
if (res < 0) return res;
/* TODO: Grab battery settings
// Set charge current to ~1.5 A
res = smbus_write(0x09, 0x14, 0x0600);
// Set charge current to 3.264 A
res = smbus_write(0x09, 0x14, 0x0CF2);
if (res < 0) return res;
// Set charge voltage to ~13 V
res = smbus_write(0x09, 0x15, 0x3300);
// Set charge voltage to 8.8 V
res = smbus_write(0x09, 0x15, 0x2260);
if (res < 0) return res;
// Set charge option 0 with watchdog disabled
@ -68,7 +65,6 @@ int battery_charger_enable(void) {
SBC_PWM_FREQ_800KHZ |
SBC_IDCHC_GAIN
);
*/
return 0;
}