ALSA: hda/realtek - Set default power save node to 0

BugLink: https://bugs.launchpad.net/bugs/1838700
commit 317d9313925cd8388304286c0d3c8dda7f060a2d upstream.

I measured power consumption between power_save_node=1 and power_save_node=0.
It's almost the same.
Codec will enter to runtime suspend and suspend.
That pin also will enter to D3. Don't need to enter to D3 by single pin.
So, Disable power_save_node as default. It will avoid more issues.
Windows Driver also has not this option at runtime PM.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bea593475080bbd1864cbaef54b6797a21d691d0..fb50e895640d223bd72c24ae23893b4e6d78a96a 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7523,7 +7523,7 @@ static int patch_alc269(struct hda_codec *codec)
 
        spec = codec->spec;
        spec->gen.shared_mic_vref_pin = 0x18;
-       codec->power_save_node = 1;
+       codec->power_save_node = 0;
 
 #ifdef CONFIG_PM
        codec->patch_ops.suspend = alc269_suspend;