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extcon: arizona: Fix reset of HPDET after race with removal 

We need to make sure we reset back to our starting state, especially
making sure that we have disabled poll in the register cache.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
hifive-unleashed-5.1
Charles Keepax 2013-11-14 16:18:22 +00:00 committed by Chanwoo Choi
parent ffae24fed8
commit a3e00d4bd8
1 changed files with 7 additions and 1 deletions
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8
drivers/extcon/extcon-arizona.c
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@ -603,9 +603,15 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
dev_err(arizona->dev, "Failed to report HP/line: %d\n",
ret);
done:
/* Reset back to starting range */
regmap_update_bits(arizona->regmap,
ARIZONA_HEADPHONE_DETECT_1,
ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL,
0);
arizona_extcon_do_magic(info, 0);
done:
if (id_gpio)
gpio_set_value_cansleep(id_gpio, 0);