Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5236273a authored by Xiaozhe Shi's avatar Xiaozhe Shi
Browse files

power: smb135x-charger: make the battery capacity writeable 



There are some applications that may want to fake a battery state of
charge (SoC). To standarize this on different devices, make the battery
power supply capacity property writeable.

Change-Id: Icb50b2aefe98bc2aa75d927624a13adf28b118c6
Signed-off-by: default avatarXiaozhe Shi <xiaozhes@codeaurora.org>
parent dbb02642

drivers/power/smb135x-charger.c

+9 −0
Original line number Diff line number Diff line
@@ -235,6 +235,7 @@ struct smb135x_chg { 
	int				vfloat_mv;

	int				safety_time;

	int				resume_delta_mv;

	int				fake_battery_soc;

	struct dentry			*debug_root;

	int				usb_current_arr_size;

	u8				irq_cfg_mask[3];
@@ -531,6 +532,8 @@ static int smb135x_get_prop_batt_capacity(struct smb135x_chg *chip) 
{

	union power_supply_propval ret = {0, };



	if (chip->fake_battery_soc >= 0)

		return chip->fake_battery_soc;

	if (chip->bms_psy) {

		chip->bms_psy->get_property(chip->bms_psy,

				POWER_SUPPLY_PROP_CAPACITY, &ret);
@@ -858,6 +861,10 @@ static int smb135x_battery_set_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_CHARGING_ENABLED:

		smb135x_charging(chip, val->intval);

		break;

	case POWER_SUPPLY_PROP_CAPACITY:

		chip->fake_battery_soc = val->intval;

		power_supply_changed(&chip->batt_psy);

		break;

	default:

		return -EINVAL;

	}
@@ -872,6 +879,7 @@ static int smb135x_battery_is_writeable(struct power_supply *psy, 


	switch (prop) {

	case POWER_SUPPLY_PROP_CHARGING_ENABLED:

	case POWER_SUPPLY_PROP_CAPACITY:

		rc = 1;

		break;

	default:
@@ -2215,6 +2223,7 @@ static int smb135x_charger_probe(struct i2c_client *client, 
	chip->client = client;

	chip->dev = &client->dev;

	chip->usb_psy = usb_psy;

	chip->fake_battery_soc = -EINVAL;



	/* probe the device to check if its actually connected */

	rc = smb135x_read(chip, CFG_4_REG, &reg);