[PATCH 3.12 15/83] ALSA: hda/realtek - Make more stable to get pin sense for ALC283

From: Jiri Slaby
Date: Mon Apr 27 2015 - 17:40:05 EST

From: Kailang Yang <kailang@xxxxxxxxxxx>

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


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@xxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
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 754882b588d4..1cc403e83644 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2723,6 +2723,8 @@ static void alc283_init(struct hda_codec *codec)

if (!hp_pin)
+ 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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