max8925_power: Check at probe time if power to set online
The interrupt for ac on/off can be missed during boot time. Check if online by seeing if we have power. We choose 0.5V since this is high enough to avoid random reading from a input that could be floating if no charger. Signed-off-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Ted Bennett <tbennett@marvell.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
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@ -377,9 +377,15 @@ static __devinit int max8925_init_charger(struct max8925_chip *chip,
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REQUEST_IRQ(MAX8925_IRQ_VCHG_TOPOFF, "charger-topoff");
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REQUEST_IRQ(MAX8925_IRQ_VCHG_TMR_FAULT, "charger-timer-expire");
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info->ac_online = 0;
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info->usb_online = 0;
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info->bat_online = 0;
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/* check for power - can miss interrupt at boot time */
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if (start_measure(info, MEASURE_VCHG) * 2000 > 500000)
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info->ac_online = 1;
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else
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info->ac_online = 0;
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ret = max8925_reg_read(info->gpm, MAX8925_CHG_STATUS);
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if (ret >= 0) {
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/*
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