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    Subject[PATCH 3.13 080/162] ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
    Date
    3.13.11.11 -stable review patch.  If anyone has any objections, please let me know.

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

    From: Harsha Priya <harshapriya.n@intel.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@intel.com>
    Signed-off-by: Takashi Iwai <tiwai@suse.de>
    Signed-off-by: Kamal Mostafa <kamal@canonical.com>
    ---
    sound/pci/hda/patch_realtek.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
    index b2a5832..1a24b2c 100644
    --- a/sound/pci/hda/patch_realtek.c
    +++ b/sound/pci/hda/patch_realtek.c
    @@ -2871,6 +2871,9 @@ 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);

    --
    1.9.1


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