linux-kernel - [PATCH 3.16.y-ckt 024/180] ALSA: hda/realtek - Make more stable to get pin sense for ALC283

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Message-Id: <1430991989-23170-25-git-send-email-luis.henriques@canonical.com>
Date:	Thu,  7 May 2015 10:43:53 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Kailang Yang <kailang@...ltek.com>, Takashi Iwai <tiwai@...e.de>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 024/180] ALSA: hda/realtek - Make more stable to get pin sense for ALC283

3.16.7-ckt11 -stable review patch.  If anyone has any objections, please let me know.

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

From: Kailang Yang <kailang@...ltek.com>

commit a59d7199f62b8336570972dcc288321d0ec999fe upstream.

Pin sense will active when power pin is wake up.
Power pin will not wake up immediately during resume state.
Add some delay to wait for power pin activated.

Signed-off-by: Kailang Yang <kailang@...ltek.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 sound/pci/hda/patch_realtek.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 4a6d7a0ee242..fc102967a74c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3057,6 +3057,8 @@ static void alc283_init(struct hda_codec *codec)
 
 	if (!hp_pin)
 		return;
+
+	msleep(30);
 	hp_pin_sense = snd_hda_jack_detect(codec, hp_pin);
 
 	/* Index 0x43 Direct Drive HP AMP LPM Control 1 */
--
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