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Commit 4200a9b5 authored by Harry Yang's avatar Harry Yang
Browse files

qcom: smb1355: Add charger temp properties in parallel psy 



Expose CHARGER_TEMP AND CHARGER_TEMP_MAX properties from
RRADC readings.

Change-Id: I4c9582d888cd02798fced268ed52406cf81a32d6
Signed-off-by: default avatarHarry Yang <harryy@codeaurora.org>
parent ac52d887

drivers/power/supply/qcom/smb1355-charger.c

+52 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/regmap.h>

#include <linux/interrupt.h>

#include <linux/module.h>

#include <linux/iio/consumer.h>

#include <linux/platform_device.h>

#include <linux/qpnp/qpnp-revid.h>

#include <linux/of.h>
@@ -124,12 +125,18 @@ struct smb_irq_info { 
	int			irq;

};



struct smb_iio {

	struct iio_channel	*temp_chan;

	struct iio_channel	*temp_max_chan;

};



struct smb1355 {

	struct device		*dev;

	char			*name;

	struct regmap		*regmap;



	struct smb_params	param;

	struct smb_iio		iio;



	struct mutex		write_lock;
@@ -266,9 +273,12 @@ static enum power_supply_property smb1355_parallel_props[] = { 
	POWER_SUPPLY_PROP_CHARGING_ENABLED,

	POWER_SUPPLY_PROP_PIN_ENABLED,

	POWER_SUPPLY_PROP_INPUT_SUSPEND,

	POWER_SUPPLY_PROP_CHARGER_TEMP,

	POWER_SUPPLY_PROP_CHARGER_TEMP_MAX,

	POWER_SUPPLY_PROP_VOLTAGE_MAX,

	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,

	POWER_SUPPLY_PROP_MODEL_NAME,

	POWER_SUPPLY_PROP_PARALLEL_MODE,

	POWER_SUPPLY_PROP_CONNECTOR_HEALTH,

};
@@ -338,6 +348,42 @@ static int smb1355_get_prop_connector_health(struct smb1355 *chip) 
	return POWER_SUPPLY_HEALTH_COOL;

}





static int smb1355_get_prop_charger_temp(struct smb1355 *chip,

				union power_supply_propval *val)

{

	int rc;



	if (!chip->iio.temp_chan ||

		PTR_ERR(chip->iio.temp_chan) == -EPROBE_DEFER)

		chip->iio.temp_chan = devm_iio_channel_get(chip->dev,

						"charger_temp");



	if (IS_ERR(chip->iio.temp_chan))

		return PTR_ERR(chip->iio.temp_chan);



	rc = iio_read_channel_processed(chip->iio.temp_chan, &val->intval);

	val->intval /= 100;

	return rc;

}



static int smb1355_get_prop_charger_temp_max(struct smb1355 *chip,

				union power_supply_propval *val)

{

	int rc;



	if (!chip->iio.temp_max_chan ||

		PTR_ERR(chip->iio.temp_max_chan) == -EPROBE_DEFER)

		chip->iio.temp_max_chan = devm_iio_channel_get(chip->dev,

							"charger_temp_max");

	if (IS_ERR(chip->iio.temp_max_chan))

		return PTR_ERR(chip->iio.temp_max_chan);



	rc = iio_read_channel_processed(chip->iio.temp_max_chan, &val->intval);

	val->intval /= 100;

	return rc;

}



static int smb1355_parallel_get_prop(struct power_supply *psy,

				     enum power_supply_property prop,

				     union power_supply_propval *val)
@@ -360,6 +406,12 @@ static int smb1355_parallel_get_prop(struct power_supply *psy, 
		if (rc >= 0)

			val->intval = !(stat & DISABLE_CHARGING_BIT);

		break;

	case POWER_SUPPLY_PROP_CHARGER_TEMP:

		rc = smb1355_get_prop_charger_temp(chip, val);

		break;

	case POWER_SUPPLY_PROP_CHARGER_TEMP_MAX:

		rc = smb1355_get_prop_charger_temp_max(chip, val);

		break;

	case POWER_SUPPLY_PROP_INPUT_SUSPEND:

		rc = smb1355_get_parallel_charging(chip, &val->intval);

		break;