google_cpm: tickle the pps workloop only if DC is enabled

There is no need to schedue the pps workloop if PPS/DC is not requested
or running.

Bug: 178808007
Test: boot, enabe/disable DC charging, check logs
Signed-off-by: AleX Pelosi <[email protected]>
Change-Id: Ib95d1cacc126b718debd444f01f89419e52c8240
diff --git a/google_cpm.c b/google_cpm.c
index bf45e18..0c75dd2 100644
--- a/google_cpm.c
+++ b/google_cpm.c
@@ -941,15 +941,20 @@
 		/* route upstream when the charger active and found */
 		if (gcpm->chg_psy_avail[index])
 			power_supply_changed(gcpm->psy);
-		mod_delayed_work(system_wq, &gcpm->pps_work, 0);
+
+		/* tickle the PPS loop if enabled */
+		if (gcpm->dc_index > 0)
+			mod_delayed_work(system_wq, &gcpm->pps_work, 0);
 	} else if (strcmp(psy->desc->name, gcpm->chg_psy_names[0]) == 0) {
-		/* something is up with the default charger */
-		mod_delayed_work(system_wq, &gcpm->pps_work, 0);
+		/* tickle the PPS loop if enabled */
+		if (gcpm->dc_index > 0)
+			mod_delayed_work(system_wq, &gcpm->pps_work, 0);
 	} else if (gcpm->tcpm_psy_name &&
 	      !strcmp(psy->desc->name, gcpm->tcpm_psy_name))
 	{
-		/* kick off PPS */
-		mod_delayed_work(system_wq, &gcpm->pps_work, 0);
+		/* tickle the PPS loop if enabled */
+		if (gcpm->dc_index > 0)
+			mod_delayed_work(system_wq, &gcpm->pps_work, 0);
 	}
 
 	return NOTIFY_OK;