diff options
Diffstat (limited to 'drivers/power/qcom-charger/smb-lib.c')
| -rw-r--r-- | drivers/power/qcom-charger/smb-lib.c | 59 |
1 files changed, 50 insertions, 9 deletions
diff --git a/drivers/power/qcom-charger/smb-lib.c b/drivers/power/qcom-charger/smb-lib.c index 198e77469bbe..7a542c59f496 100644 --- a/drivers/power/qcom-charger/smb-lib.c +++ b/drivers/power/qcom-charger/smb-lib.c @@ -596,7 +596,11 @@ static int smblib_usb_suspend_vote_callback(struct votable *votable, void *data, { struct smb_charger *chg = data; - return smblib_set_usb_suspend(chg, suspend); + /* resume input if suspend is invalid */ + if (suspend < 0) + suspend = 0; + + return smblib_set_usb_suspend(chg, (bool)suspend); } static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data, @@ -604,10 +608,11 @@ static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data, { struct smb_charger *chg = data; + /* resume input if suspend is invalid */ if (suspend < 0) - suspend = false; + suspend = 0; - return smblib_set_dc_suspend(chg, suspend); + return smblib_set_dc_suspend(chg, (bool)suspend); } static int smblib_fcc_max_vote_callback(struct votable *votable, void *data, @@ -2230,11 +2235,8 @@ irqreturn_t smblib_handle_usb_plugin(int irq, void *data) } } - if (!chg->dpdm_reg) - goto skip_dpdm_float; - if (chg->vbus_present) { - if (!regulator_is_enabled(chg->dpdm_reg)) { + if (chg->dpdm_reg && !regulator_is_enabled(chg->dpdm_reg)) { smblib_dbg(chg, PR_MISC, "enabling DPDM regulator\n"); rc = regulator_enable(chg->dpdm_reg); if (rc < 0) @@ -2242,7 +2244,14 @@ irqreturn_t smblib_handle_usb_plugin(int irq, void *data) rc); } } else { - if (regulator_is_enabled(chg->dpdm_reg)) { + if (chg->wa_flags & BOOST_BACK_WA) { + vote(chg->usb_suspend_votable, + BOOST_BACK_VOTER, false, 0); + vote(chg->dc_suspend_votable, + BOOST_BACK_VOTER, false, 0); + } + + if (chg->dpdm_reg && regulator_is_enabled(chg->dpdm_reg)) { smblib_dbg(chg, PR_MISC, "disabling DPDM regulator\n"); rc = regulator_disable(chg->dpdm_reg); if (rc < 0) @@ -2251,7 +2260,6 @@ irqreturn_t smblib_handle_usb_plugin(int irq, void *data) } } -skip_dpdm_float: power_supply_changed(chg->usb_psy); smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s %s\n", irq_data->name, chg->vbus_present ? "attached" : "detached"); @@ -2683,6 +2691,39 @@ irqreturn_t smblib_handle_high_duty_cycle(int irq, void *data) return IRQ_HANDLED; } +irqreturn_t smblib_handle_switcher_power_ok(int irq, void *data) +{ + struct smb_irq_data *irq_data = data; + struct smb_charger *chg = irq_data->parent_data; + int rc; + u8 stat; + + if (!(chg->wa_flags & BOOST_BACK_WA)) + return IRQ_HANDLED; + + rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); + if (rc < 0) { + smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); + return IRQ_HANDLED; + } + + if ((stat & USE_USBIN_BIT) && + get_effective_result(chg->usb_suspend_votable)) + return IRQ_HANDLED; + + if ((stat & USE_DCIN_BIT) && + get_effective_result(chg->dc_suspend_votable)) + return IRQ_HANDLED; + + if (is_storming(&irq_data->storm_data)) { + smblib_dbg(chg, PR_MISC, "reverse boost detected; suspending input\n"); + vote(chg->usb_suspend_votable, BOOST_BACK_VOTER, true, 0); + vote(chg->dc_suspend_votable, BOOST_BACK_VOTER, true, 0); + } + + return IRQ_HANDLED; +} + /*************** * Work Queues * ***************/ |