From fba40d2365a68d51f514b8370c25e22e7e8fbadf Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 4 Jun 2019 11:34:12 +0200 Subject: [PATCH] 4.4-stable patches added patches: alsa-hda-realtek-set-default-power-save-node-to-0.patch --- ...tek-set-default-power-save-node-to-0.patch | 36 +++++++++++++++++++ queue-4.4/series | 1 + 2 files changed, 37 insertions(+) create mode 100644 queue-4.4/alsa-hda-realtek-set-default-power-save-node-to-0.patch diff --git a/queue-4.4/alsa-hda-realtek-set-default-power-save-node-to-0.patch b/queue-4.4/alsa-hda-realtek-set-default-power-save-node-to-0.patch new file mode 100644 index 0000000000..a234838e06 --- /dev/null +++ b/queue-4.4/alsa-hda-realtek-set-default-power-save-node-to-0.patch @@ -0,0 +1,36 @@ +From 317d9313925cd8388304286c0d3c8dda7f060a2d Mon Sep 17 00:00:00 2001 +From: Kailang Yang +Date: Thu, 23 May 2019 14:43:04 +0800 +Subject: ALSA: hda/realtek - Set default power save node to 0 + +From: Kailang Yang + +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 +Cc: +Signed-off-by: Takashi Iwai +Signed-off-by: Greg Kroah-Hartman + +--- + sound/pci/hda/patch_realtek.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/sound/pci/hda/patch_realtek.c ++++ b/sound/pci/hda/patch_realtek.c +@@ -6236,7 +6236,7 @@ static int patch_alc269(struct hda_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; diff --git a/queue-4.4/series b/queue-4.4/series index 2193f1ccf9..4859c0d3ce 100644 --- a/queue-4.4/series +++ b/queue-4.4/series @@ -204,3 +204,4 @@ media-smsusb-better-handle-optional-alignment.patch scsi-zfcp-fix-missing-zfcp_port-reference-put-on-ebusy-from-port_remove.patch scsi-zfcp-fix-to-prevent-port_remove-with-pure-auto-scan-luns-only-sdevs.patch btrfs-fix-race-updating-log-root-item-during-fsync.patch +alsa-hda-realtek-set-default-power-save-node-to-0.patch -- 2.39.5