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Message-Id: <20141028033503.336952807@linuxfoundation.org>
Date: Tue, 28 Oct 2014 11:35:46 +0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Harsha Priya <harshapriya.n@...el.com>,
Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 3.14 061/100] ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Harsha Priya <harshapriya.n@...el.com>
commit b450b17c156e264bc44a198046d3ebaaef5a041d upstream.
This patch sets the headphones mode to default before suspending
which helps avoid the pop noise on headphones
Signed-off-by: Harsha Priya <harshapriya.n@...el.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
sound/pci/hda/patch_realtek.c | 3 +++
1 file changed, 3 insertions(+)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2926,6 +2926,9 @@ static void alc283_shutup(struct hda_cod
alc_write_coef_idx(codec, 0x43, 0x9004);
+ /*depop hp during suspend*/
+ alc_write_coef_idx(codec, 0x06, 0x2100);
+
snd_hda_codec_write(codec, hp_pin, 0,
AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
--
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