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Subject[PATCH 2/4] extcon: arizona: Fix reset of HPDET after race with removal
Date
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>
---
drivers/extcon/extcon-arizona.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 6d914ba..cce24de 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -605,9 +605,15 @@ 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);

--
1.7.2.5


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