[alsa-devel] [PATCH] ALSA: hda - Enable widget power saving for Cirrus codecs

Takashi Iwai tiwai at suse.de
Thu Oct 15 11:20:08 CEST 2015


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 at suse.de>
---
 sound/pci/hda/patch_cirrus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 85813de26da8..01c464a468f6 100644
--- 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;
-- 
2.6.1



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