]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
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 10:22:41 +0000 (12:22 +0200)
commitd7852cb7319b074b2c3ceb81b586a30950ff4044
tree118c5fb45681563a50dd13951ec06bdfca37f9b7
parent9cda7c0b07bd044a910533f8a9c8910de7d6cf58
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