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Commit c9fca580 authored by Ashay Jaiswal's avatar Ashay Jaiswal Committed by Harry Yang
Browse files

qcom: battery: add voting support for handling wakeup source 



Add a new votable in parallel driver to support wakeup source
handling via pmic-voter framework.

CRs-Fixed: 2001651
Change-Id: Ia2c67d76081c36508d1ad3c3cb3a0be4c1a55814
Signed-off-by: default avatarAshay Jaiswal <ashayj@codeaurora.org>
parent 74da5f98

drivers/power/supply/qcom/battery.c

+27 −2
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ struct pl_data { 
	struct votable		*fcc_votable;

	struct votable		*fv_votable;

	struct votable		*pl_disable_votable;

	struct votable		*pl_awake_votable;

	struct work_struct	status_change_work;

	struct delayed_work	pl_taper_work;

	struct power_supply	*main_psy;
@@ -212,7 +213,7 @@ static void pl_taper_work(struct work_struct *work) 
	if (pval.intval == POWER_SUPPLY_CHARGE_TYPE_TAPER) {

		pl_dbg(chip, PR_PARALLEL, "master is taper charging; reducing slave FCC\n");



		__pm_stay_awake(chip->pl_ws);

		vote(chip->pl_awake_votable, TAPER_END_VOTER, true, 0);

		/* Reduce the taper percent by 25 percent */

		chip->taper_pct = chip->taper_pct * TAPER_RESIDUAL_PCT / 100;

		rerun_election(chip->fcc_votable);
@@ -229,7 +230,7 @@ static void pl_taper_work(struct work_struct *work) 
	pl_dbg(chip, PR_PARALLEL, "master is fast charging; waiting for next taper\n");



done:

	__pm_relax(chip->pl_ws);

	vote(chip->pl_awake_votable, TAPER_END_VOTER, false, 0);

}



/*********
@@ -425,6 +426,20 @@ static int pl_disable_vote_callback(struct votable *votable, 
	return 0;

}



static int pl_awake_vote_callback(struct votable *votable,

			void *data, int awake, const char *client)

{

	struct pl_data *chip = data;



	if (awake)

		__pm_stay_awake(chip->pl_ws);

	else

		__pm_relax(chip->pl_ws);



	pr_debug("client: %s awake: %d\n", client, awake);

	return 0;

}



static bool is_main_available(struct pl_data *chip)

{

	if (!chip->main_psy)
@@ -672,6 +687,14 @@ static int pl_init(void) 
	vote(chip->pl_disable_votable, TAPER_END_VOTER, false, 0);

	vote(chip->pl_disable_votable, PARALLEL_PSY_VOTER, true, 0);



	chip->pl_awake_votable = create_votable("PL_AWAKE", VOTE_SET_ANY,

					pl_awake_vote_callback,

					chip);

	if (IS_ERR(chip->pl_awake_votable)) {

		rc = PTR_ERR(chip->pl_disable_votable);

		goto destroy_votable;

	}



	INIT_WORK(&chip->status_change_work, status_change_work);

	INIT_DELAYED_WORK(&chip->pl_taper_work, pl_taper_work);
@@ -702,6 +725,7 @@ static int pl_init(void) 
unreg_notifier:

	power_supply_unreg_notifier(&chip->nb);

destroy_votable:

	destroy_votable(chip->pl_awake_votable);

	destroy_votable(chip->pl_disable_votable);

	destroy_votable(chip->fv_votable);

	destroy_votable(chip->fcc_votable);
@@ -717,6 +741,7 @@ static void pl_deinit(void) 
	struct pl_data *chip = the_chip;



	power_supply_unreg_notifier(&chip->nb);

	destroy_votable(chip->pl_awake_votable);

	destroy_votable(chip->pl_disable_votable);

	destroy_votable(chip->fv_votable);

	destroy_votable(chip->fcc_votable);