At Thu, 28 May 2015 09:15:46 +0200, David Henningsson wrote:
When headphone mic boost is above zero, some 10 - 20 second delay might occur before the headphone mic is operational. Therefore disable the headphone mic boost control (recording gain is sufficient even without it).
(Note: this patch is not about the headset mic, it's about the less common mic-in only mode.)
BugLink: https://bugs.launchpad.net/bugs/1454235 Suggested-by: Kailang Yang kailang@realtek.com Signed-off-by: David Henningsson david.henningsson@canonical.com
sound/pci/hda/patch_realtek.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index d0fa455..87605fc 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4240,6 +4240,10 @@ static void alc_fixup_headset_mode_alc662(struct hda_codec *codec, if (action == HDA_FIXUP_ACT_PRE_PROBE) { spec->parse_flags |= HDA_PINCFG_HEADSET_MIC; spec->gen.hp_mic = 1; /* Mic-in is same pin as headphone */
/* Disable boost for mic-in permanently */snd_hda_codec_write(codec, 0x1b, 0, AC_VERB_SET_AMP_GAIN_MUTE, 0x7000);snd_hda_override_wcaps(codec, 0x1b, get_wcaps(codec, 0x1b) & ~AC_WCAP_IN_AMP);
Can we really hard-code NID 0x1b here...?
Takashi