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Message-Id: <1383916783-17921-2-git-send-email-ckeepax@opensource.wolfsonmicro.com> Date: Fri, 8 Nov 2013 13:19:41 +0000 From: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com> To: cw00.choi@...sung.com Cc: myungjoo.ham@...sung.com, sameo@...ux.intel.com, lee.jones@...aro.org, patches@...nsource.wolfsonmicro.com, linux-kernel@...r.kernel.org, Charles Keepax <ckeepax@...nsource.wolfsonmicro.com> Subject: [PATCH 2/4] 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@...nsource.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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