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ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
author
Harsha Priya
<harshapriya.n@intel.com>
Thu, 9 Oct 2014 11:04:56 +0000
(11:04 +0000)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 20 Oct 2014 05:49:40 +0000
(07:49 +0200)
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@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_realtek.c
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diff --git
a/sound/pci/hda/patch_realtek.c
b/sound/pci/hda/patch_realtek.c
index
bc86c36
..
4c35490
100644
(file)
--- a/
sound/pci/hda/patch_realtek.c
+++ b/
sound/pci/hda/patch_realtek.c
@@
-2884,6
+2884,9
@@
static void alc283_shutup(struct hda_codec *codec)
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);