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Commit 7835de9f authored by Anirudh Ghayal's avatar Anirudh Ghayal
Browse files

power: qpnp-smbcharger: Add POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED property 



Use this property to specify the maximum pulses which can be allowed
during HVDCP3. The DT property 'qcom,max-pulse-allowed' can be
specified to initialize this value.

CRs-Fixed: 1047232
Change-Id: I3d1aa92b16d2103b7f3df88ca948423c202b17ef
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
parent 4403a99b

Documentation/devicetree/bindings/power/qpnp-smbcharger.txt

+3 −0
Original line number Diff line number Diff line
@@ -297,6 +297,9 @@ Optional Properties: 
- qcom,override-usb-current	A boolean property to override the ICL limit

				for USB charger(SDP) based on the current

				reported by USB driver.

- qcom,max-pulse-allowed	The maximum number of pulses allowed in

				HVDCP3 mode. It can be used to restrict VBUS

				to a value.



Example:

	qcom,qpnp-smbcharger {

drivers/power/qpnp-smbcharger.c

+8 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ struct smbchg_chip { 
	int				n_vbat_samples;



	/* status variables */

	int				max_pulse_allowed;

	int				wake_reasons;

	int				previous_soc;

	int				usb_online;
@@ -5801,6 +5802,7 @@ static enum power_supply_property smbchg_battery_properties[] = { 
	POWER_SUPPLY_PROP_RERUN_AICL,

	POWER_SUPPLY_PROP_RESTRICTED_CHARGING,

	POWER_SUPPLY_PROP_ALLOW_HVDCP3,

	POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED,

};



static int smbchg_battery_set_property(struct power_supply *psy,
@@ -6014,6 +6016,9 @@ static int smbchg_battery_get_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_ALLOW_HVDCP3:

		val->intval = chip->allow_hvdcp3_detection;

		break;

	case POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED:

		val->intval = chip->max_pulse_allowed;

		break;

	default:

		return -EINVAL;

	}
@@ -7425,6 +7430,9 @@ static int smb_parse_dt(struct smbchg_chip *chip) 
	if (chip->parallel.min_current_thr_ma != -EINVAL

			&& chip->parallel.min_9v_current_thr_ma != -EINVAL)

		chip->parallel.avail = true;



	OF_PROP_READ(chip, chip->max_pulse_allowed,

				"max-pulse-allowed", rc, 1);

	/*

	 * use the dt values if they exist, otherwise do not touch the params

	 */