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ALSA: hda - Disable power_save_node for IDT92HD71bxx

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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>
This commit is contained in:
Takashi Iwai 2015-05-27 21:20:12 +02:00
parent 0fa372b6c9
commit c545f799c7
1 changed files with 2 additions and 1 deletions
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3
sound/pci/hda/patch_sigmatel.c
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@ -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;