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Commit 04ddcb09 authored by Ajay Agarwal's avatar Ajay Agarwal Committed by Gerrit - the friendly Code Review server
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USB: phy: msm: Turn off HSUSB vdd LDO on OTG suspend 



Currently we keep voting for hsusb_vdd LDO on msm_otg_suspend.
As a result, LDO remains ON after suspend. Fix this by adding
disable and enable of the LDO during OTG suspend and resume
respectively.

Change-Id: Ifcd754df29fe8e67d42bad0dabc3f848497afdd8
Signed-off-by: default avatarAjay Agarwal <ajaya@codeaurora.org>
parent a20eb0fd

drivers/usb/phy/phy-msm-usb.c

+3 −0
Original line number Diff line number Diff line
@@ -1462,6 +1462,7 @@ phcd_retry: 


	if (motg->lpm_flags & PHY_RETENTIONED ||

		(motg->caps & ALLOW_VDD_MIN_WITH_RETENTION_DISABLED)) {

		regulator_disable(hsusb_vdd);

		msm_hsusb_config_vddcx(0);

	}
@@ -1587,6 +1588,8 @@ static int msm_otg_resume(struct msm_otg *motg) 
	if (motg->lpm_flags & PHY_RETENTIONED ||

		(motg->caps & ALLOW_VDD_MIN_WITH_RETENTION_DISABLED)) {

		msm_hsusb_config_vddcx(1);

		ret = regulator_enable(hsusb_vdd);

		WARN(ret, "hsusb_vdd LDO enable failed\n");

		msm_otg_disable_phy_hv_int(motg);

		msm_otg_exit_phy_retention(motg);

		motg->lpm_flags &= ~PHY_RETENTIONED;