Commit 6a6ca788 authored by Hui Wang's avatar Hui Wang Committed by Takashi Iwai
Browse files

ALSA: hda - let hs_mic be picked ahead of hp_mic



We have a Dell AIO, there is neither internal speaker nor internal
mic, only a multi-function audio jack on it.

Users reported that after freshly installing the OS and plug
a headset to the audio jack, the headset can't output sound. I
reproduced this bug, at that moment, the Input Source is as below:
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Headphone Mic' 'Headset Mic'
  Item0: 'Headphone Mic'

That is because the patch_realtek will set this audio jack as mic_in
mode if Input Source's value is hp_mic.

If it is not fresh installing, this issue will not happen since the
systemd will run alsactl restore -f /var/lib/alsa/asound.state, this
will set the 'Input Source' according to history value.

If there is internal speaker or internal mic, this issue will not
happen since there is valid sink/source in the pulseaudio, the PA will
set the 'Input Source' according to active_port.

To fix this issue, change the parser function to let the hs_mic be
stored ahead of hp_mic.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarHui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20200625083833.11264-1-hui.wang@canonical.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 220345e9
......@@ -72,6 +72,12 @@ static int compare_input_type(const void *ap, const void *bp)
if (a->type != b->type)
return (int)(a->type - b->type);
/* If has both hs_mic and hp_mic, pick the hs_mic ahead of hp_mic. */
if (a->is_headset_mic && b->is_headphone_mic)
return -1; /* don't swap */
else if (a->is_headphone_mic && b->is_headset_mic)
return 1; /* swap */
/* In case one has boost and the other one has not,
pick the one with boost first. */
return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
......
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