From: Kailang Yang Date: Thu, 23 May 2019 06:43:04 +0000 (+0800) Subject: ALSA: hda/realtek - Set default power save node to 0 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=317d9313925c;p=linux.git ALSA: hda/realtek - Set default power save node to 0 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 Cc: Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b984bd1d19716..1ca2a83b65cdb 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7711,7 +7711,7 @@ 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;