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

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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>
This commit is contained in:
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);