This Linux kernel change "ALSA: hda/realtek – Fixed Dell AIO speaker noise" is included in the Linux 5.1 release. This change is authored by Kailang Yang <kailang [at] realtek.com> on Fri Apr 26 16:13:54 2019 +0800. The commit for this change in Linux stable tree is 0700d3d (patch).
ALSA: hda/realtek - Fixed Dell AIO speaker noise Fixed Dell AIO speaker noise. spec->gen.auto_mute_via_amp = 1, this option was solved speaker white noise at boot. codec->power_save_node = 0, this option was solved speaker noise at resume back. Fixes: 9226665159f0 ("ALSA: hda/realtek - Fix Dell AIO LineOut issue") Signed-off-by: Kailang Yang <firstname.lastname@example.org> Cc: <email@example.com> Signed-off-by: Takashi Iwai <firstname.lastname@example.org>
There are 2 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.
sound/pci/hda/patch_realtek.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 070749b..7da7fa4 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5450,6 +5450,8 @@ static void alc274_fixup_bind_dacs(struct hda_codec *codec, return; spec->gen.preferred_dacs = preferred_pairs; + spec->gen.auto_mute_via_amp = 1; + codec->power_save_node = 0; } /* The DAC of NID 0x3 will introduce click/pop noise on headphones, so invalidate it */