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Commit 8e0dd5e4 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "usb: dwc3: Drive a pulse on DP for iio based cdp charger detection also"

parents 1b96e874 fcabf414

drivers/usb/dwc3/dwc3-msm.c

+12 −2
Original line number Diff line number Diff line
@@ -4070,6 +4070,7 @@ static int dwc3_msm_vbus_notifier(struct notifier_block *nb, 
	struct dwc3_msm *mdwc = enb->mdwc;

	char *eud_str;

	const char *edev_name;

	bool is_cdp;



	if (!edev || !mdwc)

		return NOTIFY_DONE;
@@ -4094,12 +4095,21 @@ static int dwc3_msm_vbus_notifier(struct notifier_block *nb, 
		mdwc->vbus_active = event;

	}



	/*

	 * In case of ADSP based charger detection driving a pulse on

	 * DP to ensure proper CDP detection will be taken care by

	 * ADSP.

	 */

	is_cdp = ((mdwc->apsd_source == IIO) &&

		(get_chg_type(mdwc) == POWER_SUPPLY_TYPE_USB_CDP)) ||

		((mdwc->apsd_source == PSY) &&

		(get_chg_type(mdwc) == POWER_SUPPLY_USB_TYPE_CDP));



	/*

	 * Drive a pulse on DP to ensure proper CDP detection

	 * and only when the vbus connect event is a valid one.

	 */

	if (get_chg_type(mdwc) == POWER_SUPPLY_USB_TYPE_CDP &&

			mdwc->vbus_active && !mdwc->check_eud_state) {

	if (is_cdp && mdwc->vbus_active && !mdwc->check_eud_state) {

		dev_dbg(mdwc->dev, "Connected to CDP, pull DP up\n");

		mdwc->hs_phy->charger_detect(mdwc->hs_phy);

	}