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ALSA: hda/realtek - Set default power save node to 0
authorKailang Yang <kailang@realtek.com>
Thu, 23 May 2019 06:43:04 +0000 (14:43 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 Jun 2019 10:24:09 +0000 (12:24 +0200)
commitbf8f6b43c2e75c2332279f9c61b405ba10e9c6f4
treeb9eae5b610506c78b960440567d3af2c9e32ac73
parent494447b90d6d73b854a1b9b4b91a8dcfab96b0d9
ALSA: hda/realtek - Set default power save node to 0

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>
sound/pci/hda/patch_realtek.c