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authorHarsha Priya <harshapriya.n@intel.com>2014-10-09 11:04:56 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-10-30 09:40:17 -0700
commitafc8ff204a6106c4f857757ff16f878ac329f70d (patch)
treef342869dfd6f20ccdf0c937273c274133327e05c
parent2ecccbd09ee7f4ed1e83b7391b8512137f2b7964 (diff)
downloadlinux-linaro-stable-afc8ff204a6106c4f857757ff16f878ac329f70d.tar.gz
ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
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@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--sound/pci/hda/patch_realtek.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 88e4623d4f97..0e9add5d7f53 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3103,6 +3103,9 @@ 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);