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Commit e13704c6 authored by Laxminath Kasam's avatar Laxminath Kasam Committed by Gerrit - the friendly Code Review server
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soc: Handle system suspend for LPI pinctrl 



System suspend is not handled in lpi pinctrl driver.
Register to system ops to release lpass hw vote
before apps suspend.

CRs-Fixed: 2439988
Change-Id: I334a993ead5d2abec5286fb5812d67b795d03f3c
Signed-off-by: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent c63ec8cd

soc/pinctrl-lpi.c

+37 −0
Original line number Diff line number Diff line
@@ -788,7 +788,44 @@ int lpi_pinctrl_runtime_suspend(struct device *dev) 
	return 0;

}



int lpi_pinctrl_suspend(struct device *dev)

{

	int ret = 0;



	dev_dbg(dev, "%s: system suspend\n", __func__);



	if ((!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev))) {

		ret = lpi_pinctrl_runtime_suspend(dev);

		if (!ret) {

			/*

			 * Synchronize runtime-pm and system-pm states:

			 * At this point, we are already suspended. If

			 * runtime-pm still thinks its active, then

			 * make sure its status is in sync with HW

			 * status. The three below calls let the

			 * runtime-pm know that we are suspended

			 * already without re-invoking the suspend

			 * callback

			 */

			pm_runtime_disable(dev);

			pm_runtime_set_suspended(dev);

			pm_runtime_enable(dev);

		}

	}



	return ret;

}



int lpi_pinctrl_resume(struct device *dev)

{

	return 0;

}



static const struct dev_pm_ops lpi_pinctrl_dev_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(

		lpi_pinctrl_suspend,

		lpi_pinctrl_resume

	)

	SET_RUNTIME_PM_OPS(

		lpi_pinctrl_runtime_suspend,

		lpi_pinctrl_runtime_resume,