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Message-Id: <20141028033346.595511848@linuxfoundation.org> Date: Tue, 28 Oct 2014 11:33:36 +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 3.17 074/146] ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume 3.17-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 @@ -3125,6 +3125,9 @@ 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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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