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| author | Takashi Iwai <tiwai@suse.de> | 2015-05-27 21:20:12 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-05-27 21:20:12 +0200 |
| commit | c545f799c7470682756ca64c63f6bfcdaf28442b (patch) | |
| tree | f8f3f188c5cff85442219cc86e84798d527c9db2 /sound | |
| parent | 0fa372b6c95013af1334b3d5c9b5f03a70ecedab (diff) | |
| download | op-kernel-dev-c545f799c7470682756ca64c63f6bfcdaf28442b.zip op-kernel-dev-c545f799c7470682756ca64c63f6bfcdaf28442b.tar.gz | |
ALSA: hda - Disable power_save_node for IDT92HD71bxx
We've got a regression report that 4.1-rc causes noises on a Dell
laptop. Similar like Realtek codec, this seems also triggered by the
recent power_save_node feature. As this kind of issue is quite hard
to debug without actual hardware, disable the power_save_node flag for
this codec as a workaround.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98971
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 0de0fd9..6833c74 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -4696,7 +4696,8 @@ static int patch_stac92hd71bxx(struct hda_codec *codec) return err; spec = codec->spec; - codec->power_save_node = 1; + /* disabled power_save_node since it causes noises on a Dell machine */ + /* codec->power_save_node = 1; */ spec->linear_tone_beep = 0; spec->gen.own_eapd_ctl = 1; spec->gen.power_down_unused = 1; |
