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Commit cff71486 authored by Anirudh Ghayal's avatar Anirudh Ghayal
Browse files

power: smblite: Fix restoring the ICL in the thermal-regulation-loop 



Avoid decrementing ICL twice when we are above _UB threshold.
Also, increment back the ICL only when DIE_STATUS is 0 i.e when
we are below the _LB threshold.

Change-Id: I58027cb94500cf93eb42b44dcec9a5e68670b5e1
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
parent 5537f3dc

drivers/power/supply/qcom/smblite-lib.c

+9 −9
Original line number Diff line number Diff line
@@ -2892,23 +2892,23 @@ static void smblite_lib_thermal_regulation_work(struct work_struct *work) 
	}



	if (stat & DIE_TEMP_UB_BIT) {

		icl_ua = get_effective_result(chg->usb_icl_votable)

				- THERM_REGULATION_STEP_UA;



		/* Decrement ICL by one step */

		vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER,

				true, icl_ua - THERM_REGULATION_STEP_UA);



		/* Check if we reached minimum ICL limit */

		if (icl_ua < USBIN_500UA + THERM_REGULATION_STEP_UA)

			goto exit;



		/* Decrement ICL by one step */

		icl_ua -= THERM_REGULATION_STEP_UA;

		vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER,

				true, icl_ua);



		goto reschedule;

	}



	if (stat & DIE_TEMP_LB_BIT) {

	/* check if DIE_TEMP is below LB */

	if (!(stat & DIE_TEMP_MASK)) {

		icl_ua += THERM_REGULATION_STEP_UA;

		vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER,

				true, icl_ua + THERM_REGULATION_STEP_UA);

				true, icl_ua);



		/*

		 * Check if we need further increments:

drivers/power/supply/qcom/smblite-reg.h

+1 −0
Original line number Diff line number Diff line
@@ -266,6 +266,7 @@ enum { 
#define THERMREG_DISABLED_BIT			BIT(0)



#define DIE_TEMP_STATUS_REG			(MISC_BASE + 0x09)

#define DIE_TEMP_MASK				GENMASK(3, 0)

#define DIE_TEMP_SHDN_BIT			BIT(3)

#define DIE_TEMP_RST_BIT			BIT(2)

#define DIE_TEMP_UB_BIT				BIT(1)