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Commit 79f63ac1 authored by Ashay Jaiswal's avatar Ashay Jaiswal Committed by Guru Das Srinagesh
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power: smb1390-psy: add filtering for die temp reporting 



SMB1390 reports incorrect die temperature in disabled state. Add
support to filter/ignore reported temperature if it is above
thermal_suspend threshold.

Change-Id: I75528448f71b051e7ef656d84ae8d2c167b524bc
Signed-off-by: default avatarAshay Jaiswal <ashayj@codeaurora.org>
Signed-off-by: default avatarUmang Agrawal <uagrawal@codeaurora.org>
parent 40a479a4

drivers/power/supply/qcom/smb1390-charger-psy.c

+19 −2
Original line number Diff line number Diff line
@@ -90,6 +90,8 @@ 
#define SRC_VOTER		"SRC_VOTER"

#define SWITCHER_TOGGLE_VOTER	"SWITCHER_TOGGLE_VOTER"



#define THERMAL_SUSPEND_DECIDEGC	1400



#define smb1390_dbg(chip, reason, fmt, ...)				\

	do {								\

		if (chip->debug_mask & (reason))			\
@@ -740,9 +742,24 @@ static int smb1390_get_prop(struct power_supply *psy, 
			else

				rc = -ENODATA;

		} else {

			/*

			 * Add a filter to the die temp value read:

			 * If temp > THERMAL_SUSPEND_DECIDEGC then

			 *	- treat it as an error and report last valid

			 *	  cached temperature.

			 *	- return -ENODATA if the cached value is

			 *	  invalid.

			 */



			rc = smb1390_get_die_temp(chip, val);

			if (rc >= 0)

			if (rc >= 0) {

				if (val->intval <= THERMAL_SUSPEND_DECIDEGC)

					chip->die_temp = val->intval;

				else if (chip->die_temp == -ENODATA)

					rc = -ENODATA;

				else

					val->intval = chip->die_temp;

			}

		}

		break;

	case POWER_SUPPLY_PROP_CP_ISNS: