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authorTakashi Iwai <tiwai@suse.de>2015-05-27 21:20:12 +0200
committerTakashi Iwai <tiwai@suse.de>2015-05-27 21:20:12 +0200
commitc545f799c7470682756ca64c63f6bfcdaf28442b (patch)
treef8f3f188c5cff85442219cc86e84798d527c9db2
parent0fa372b6c95013af1334b3d5c9b5f03a70ecedab (diff)
downloadlinux-stericsson-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>
-rw-r--r--sound/pci/hda/patch_sigmatel.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 0de0fd95144a..6833c74ed6ff 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;