[PATCH 3.13.y-ckt 66/90] ALSA: hda/realtek - Make more stable to get pin sense for ALC283

From: Kamal Mostafa
Date: Tue May 05 2015 - 17:06:37 EST


3.13.11-ckt20 -stable review patch. If anyone has any objections, please let me know.

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

From: Kailang Yang <kailang@xxxxxxxxxxx>

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: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
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 deec881..c7b1917 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2830,6 +2830,8 @@ 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 */
--
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/