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ALSA: hda - Enable widget power saving for Cirrus codecs
author
Takashi Iwai
<tiwai@suse.de>
Thu, 15 Oct 2015 09:17:09 +0000
(11:17 +0200)
committer
Takashi Iwai
<tiwai@suse.de>
Thu, 15 Oct 2015 09:19:39 +0000
(11:19 +0200)
Cirrus codecs have also fine power controls on each widget, thus it
gets benefit from the recent widget power-saving feature. As we
haven't seen any obvious regressions with tests on some MacBooks,
let's try to enable it.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_cirrus.c
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diff --git
a/sound/pci/hda/patch_cirrus.c
b/sound/pci/hda/patch_cirrus.c
index
85813de
..
01c464a
100644
(file)
--- a/
sound/pci/hda/patch_cirrus.c
+++ b/
sound/pci/hda/patch_cirrus.c
@@
-570,6
+570,7
@@
static struct cs_spec *cs_alloc_spec(struct hda_codec *codec, int vendor_nid)
return NULL;
codec->spec = spec;
spec->vendor_nid = vendor_nid;
+ codec->power_save_node = 1;
snd_hda_gen_spec_init(&spec->gen);
return spec;