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Commit 584f9703 authored by Rajkumar Kasirajan's avatar Rajkumar Kasirajan Committed by Lee Jones
Browse files

pm2301-charger: Enable SW EOC control on the ab9540 



End of charging is managed by SW.

Signed-off-by: default avatarRajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Reviewed-by: default avatarJonas ABERG <jonas.aberg@stericsson.com>
Tested-by: default avatarJonas ABERG <jonas.aberg@stericsson.com>
parent 116c326e

drivers/power/pm2301_charger.c

+43 −5
Original line number Diff line number Diff line
@@ -192,13 +192,24 @@ static int pm2xxx_charging_disable_mngt(struct pm2xxx_charger *pm2) 
{

	int ret;



	/* Disable SW EOC ctrl */

	ret = pm2xxx_reg_write(pm2, PM2XXX_SW_CTRL_REG, PM2XXX_SWCTRL_HW);

	if (ret < 0) {

		dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);

		return ret;

	}



	/* Disable charging */

	ret = pm2xxx_reg_write(pm2, PM2XXX_BATT_CTRL_REG2,

			(PM2XXX_CH_AUTO_RESUME_DIS | PM2XXX_CHARGER_DIS));



	if (ret < 0) {

		dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);

		return ret;

	}



	return 0;

}



static int pm2xxx_charger_batt_therm_mngt(struct pm2xxx_charger *pm2, int val)

{

	queue_work(pm2->charger_wq, &pm2->check_main_thermal_prot_work);
@@ -245,13 +256,29 @@ static int pm2xxx_charger_wd_exp_mngt(struct pm2xxx_charger *pm2, int val) 


static int pm2xxx_charger_vbat_lsig_mngt(struct pm2xxx_charger *pm2, int val)

{

	int ret;



	switch (val) {

	case PM2XXX_INT1_ITVBATLOWR:

		dev_dbg(pm2->dev, "VBAT grows above VBAT_LOW level\n");

		/* Enable SW EOC ctrl */

		ret = pm2xxx_reg_write(pm2, PM2XXX_SW_CTRL_REG,

							PM2XXX_SWCTRL_SW);

		if (ret < 0) {

			dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);

			return ret;

		}

		break;



	case PM2XXX_INT1_ITVBATLOWF:

		dev_dbg(pm2->dev, "VBAT drops below VBAT_LOW level\n");

		/* Disable SW EOC ctrl */

		ret = pm2xxx_reg_write(pm2, PM2XXX_SW_CTRL_REG,

							PM2XXX_SWCTRL_HW);

		if (ret < 0) {

			dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);

			return ret;

		}

		break;



	default:
@@ -322,16 +349,27 @@ static int pm2_int_reg0(void *pm2_data, int val) 
	struct pm2xxx_charger *pm2 = pm2_data;

	int ret = 0;



	if (val & (PM2XXX_INT1_ITVBATLOWR | PM2XXX_INT1_ITVBATLOWF)) {

		ret = pm2xxx_charger_vbat_lsig_mngt(pm2, val &

			(PM2XXX_INT1_ITVBATLOWR | PM2XXX_INT1_ITVBATLOWF));

	if (val & PM2XXX_INT1_ITVBATLOWR) {

		ret = pm2xxx_charger_vbat_lsig_mngt(pm2,

						PM2XXX_INT1_ITVBATLOWR);

		if (ret < 0)

			goto out;

	}



	if (val & PM2XXX_INT1_ITVBATLOWF) {

		ret = pm2xxx_charger_vbat_lsig_mngt(pm2,

						PM2XXX_INT1_ITVBATLOWF);

		if (ret < 0)

			goto out;

	}



	if (val & PM2XXX_INT1_ITVBATDISCONNECT) {

		ret = pm2xxx_charger_bat_disc_mngt(pm2,

				PM2XXX_INT1_ITVBATDISCONNECT);

		if (ret < 0)

			goto out;

	}



out:

	return ret;

}