On Thu, 10 Mar 2022 14:03:01 +0100, huangwenhui wrote: > > On a HP 288 Pro G8, the front Mic could not be detected. > > Signed-off-by: huangwenhui <huangwenhuia@xxxxxxxxxxxxx> Thanks for the patch. Most of the changes look OK, but one thing I still don't get: > + case HDA_FIXUP_ACT_INIT: > + alc_write_coef_idx(codec, 0x19, 0xa054); > + msleep(80); > + snd_hda_codec_write(codec, hp_pin, 0, > + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); Why this unconditional unmute is required for fixing the mic problem? Takashi
