ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
authorHarsha Priya <harshapriya.n@intel.com>
Thu, 9 Oct 2014 11:04:56 +0000 (11:04 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Oct 2014 16:38:24 +0000 (09:38 -0700)
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>
sound/pci/hda/patch_realtek.c

index 5d0058b..4c826a4 100644 (file)
@@ -2926,6 +2926,9 @@ 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);