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| author | Kailang Yang <kailang@realtek.com> | 2019-05-23 14:43:04 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-09 09:17:17 +0200 |
| commit | 9cfd6c36759b1e54c2bbf36f1d03b4e1bbc61d7e (patch) | |
| tree | 2cabbb5504baf69e613862fa7366091088756e26 | |
| parent | eb2eeec920fb1b9b6faf8ea340f6295a2d03602b (diff) | |
| download | linux-rpi3-9cfd6c36759b1e54c2bbf36f1d03b4e1bbc61d7e.tar.gz linux-rpi3-9cfd6c36759b1e54c2bbf36f1d03b4e1bbc61d7e.tar.bz2 linux-rpi3-9cfd6c36759b1e54c2bbf36f1d03b4e1bbc61d7e.zip | |
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>
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index adce5b60d5b4..ce2873fdc2c1 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7558,7 +7558,7 @@ 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; |