linux-kernel - [PATCH 3.19.y-ckt 082/251] ASoC: rt5645: Init jack_detect

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Message-Id: <1437008972-9140-83-git-send-email-kamal@canonical.com>
Date:	Wed, 15 Jul 2015 18:06:43 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Nicolas Boichat <drinkcat@...omium.org>,
	Mark Brown <broonie@...nel.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 082/251] ASoC: rt5645: Init jack_detect_work before registering irq

3.19.8-ckt4 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nicolas Boichat <drinkcat@...omium.org>

commit 7ea3470a7277380248135a592a849e1c27960b2f upstream.

Prevents frequent panic on boot, if the irq handler rt5645_irq
gets called before the workqueue rt5645_jack_detect_work is
initialized.

Signed-off-by: Nicolas Boichat <drinkcat@...omium.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 sound/soc/codecs/rt5645.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 27141e2..a9d7348 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -2582,6 +2582,8 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
 		}
 	}
 
+	INIT_DELAYED_WORK(&rt5645->jack_detect_work, rt5645_jack_detect_work);
+
 	if (rt5645->i2c->irq) {
 		ret = request_threaded_irq(rt5645->i2c->irq, NULL, rt5645_irq,
 			IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
@@ -2600,8 +2602,6 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
 			dev_err(&i2c->dev, "Fail gpio_direction hp_det_gpio\n");
 	}
 
-	INIT_DELAYED_WORK(&rt5645->jack_detect_work, rt5645_jack_detect_work);
-
 	return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5645,
 				      rt5645_dai, ARRAY_SIZE(rt5645_dai));
 }
-- 
1.9.1

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