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Commit 47ba44f9 authored by Ashish Chavan's avatar Ashish Chavan Committed by Gerrit - the friendly Code Review server
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power: smb1398: Add ILIM offset due to inaccuracy 



SMB1396 ILIM accuracy is off by ~5%, add this additional
offset while configuring the ILIM register.

Change-Id: I756e2c815cd2d75714f2528a8f51512c56e80e19
Signed-off-by: default avatarAshish Chavan <ashichav@codeaurora.org>
parent 02b56508

drivers/power/supply/qcom/smb1398-charger.c

+8 −1
Original line number Diff line number Diff line
@@ -205,6 +205,7 @@ 
/* Need to define max ILIM for smb1398 */

#define DIV2_MAX_ILIM_UA		3200000

#define DIV2_MAX_ILIM_DUAL_CP_UA	6400000

#define DIV2_ILIM_CFG_PCT		105



#define TAPER_STEPPER_UA_DEFAULT	100000

#define TAPER_STEPPER_UA_IN_CC_MODE	200000
@@ -953,7 +954,8 @@ static int div2_cp_master_get_prop(struct power_supply *psy, 
		} else {

			rc = smb1398_get_iin_ma(chip, &ilim_ma);

			if (!rc)

				val->intval = ilim_ma * 1000;

				val->intval = (ilim_ma * 1000 * 100)

							/ DIV2_ILIM_CFG_PCT;

		}

		chip->cp_ilim = val->intval;

		break;
@@ -1246,6 +1248,9 @@ static int smb1398_div2_cp_slave_disable_vote_cb(struct votable *votable, 
	if (disable && (chip->div2_cp_ilim_votable)) {

		ilim_ua = get_effective_result_locked(

				chip->div2_cp_ilim_votable);



		ilim_ua = (ilim_ua * DIV2_ILIM_CFG_PCT) / 100;



		if (ilim_ua > DIV2_MAX_ILIM_UA)

			ilim_ua = DIV2_MAX_ILIM_UA;
@@ -1276,6 +1281,8 @@ static int smb1398_div2_cp_ilim_vote_cb(struct votable *votable, 
	if (!client)

		return -EINVAL;



	ilim_ua = (ilim_ua * DIV2_ILIM_CFG_PCT) / 100;



	max_ilim_ua = is_cps_available(chip) ?

		DIV2_MAX_ILIM_DUAL_CP_UA : DIV2_MAX_ILIM_UA;

	ilim_ua = min(ilim_ua, max_ilim_ua);