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Commit 3546ee42 authored by Abhijeet Dharmapurikar's avatar Abhijeet Dharmapurikar Committed by Harry Yang
Browse files

qpnp-qnovo: disable qnovo for dcin 



Usually, DC path is connected to a wireless charger. It is advisable
to disable qnovo when charging wirelessly.
Disable qnovo for dc path unless a property in device tree is set to
specifically enable qnovo for dc path.

Change-Id: I4ca475f30ca0a564f533b4ed8bcd55cfb5da291f
Signed-off-by: default avatarAbhijeet Dharmapurikar <adharmap@codeaurora.org>
parent 76ecf7db

Documentation/devicetree/bindings/power/supply/qcom/qpnp-qnovo.txt

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ Required properties: 
Optional Properties:

- qcom,external-rsense:		To indicate whether the platform uses external or

				internal rsense for measuring battery current.

- qcom,enable-for-dc:		To enable qnovo for dc charging path.



Example:

drivers/power/supply/qcom/qpnp-qnovo.c

+7 −0
Original line number Diff line number Diff line
@@ -131,6 +131,7 @@ 
struct qnovo_dt_props {

	bool			external_rsense;

	struct device_node	*revid_dev_node;

	bool			enable_for_dc;

};



struct qnovo {
@@ -443,6 +444,8 @@ static int qnovo_parse_dt(struct qnovo *chip) 
		pr_err("Missing qcom,pmic-revid property - driver failed\n");

		return -EINVAL;

	}

	chip->dt.enable_for_dc = of_property_read_bool(node,

					"qcom,enable-for-dc");



	return 0;

}
@@ -1311,6 +1314,10 @@ static void status_change_work(struct work_struct *work) 
	if (usb_present)

		dc_present = 0;



	/* disable qnovo for dc path by forcing dc_present = 0 always */

	if (!chip->dt.enable_for_dc)

		dc_present = 0;



	if (chip->dc_present && !dc_present) {

		/* removal */

		chip->dc_present = 0;