[alsa-devel] [PATCH 13/13] ALSA: hda - Enable power down of unused widgets for IDT codecs
Takashi Iwai
tiwai at suse.de
Thu Jan 24 18:38:02 CET 2013
IDT codecs can work well with this new feature, so let's enable it.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/pci/hda/patch_sigmatel.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 5895d8f..1c49861 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -3609,14 +3609,6 @@ static int stac_init(struct hda_codec *codec)
}
}
- /* power down unused DACs */
- for (i = 0; i < spec->gen.num_all_dacs; i++) {
- if (!snd_hda_get_nid_path(codec, spec->gen.all_dacs[i], 0))
- snd_hda_codec_write(codec, spec->gen.all_dacs[i], 0,
- AC_VERB_SET_POWER_STATE,
- AC_PWRST_D3);
- }
-
return 0;
}
@@ -3871,6 +3863,7 @@ static int patch_stac92hd73xx(struct hda_codec *codec)
spec->pwr_nids = stac92hd73xx_pwr_nids;
spec->gen.own_eapd_ctl = 1;
+ spec->gen.power_down_unused = 1;
codec->patch_ops = stac_patch_ops;
@@ -3933,6 +3926,7 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
spec = codec->spec;
spec->linear_tone_beep = 0;
spec->gen.own_eapd_ctl = 1;
+ spec->gen.power_down_unused = 1;
spec->gen.mixer_nid = 0x1b;
spec->digbeep_nid = 0x21;
@@ -3976,6 +3970,7 @@ static int patch_stac92hd71bxx(struct hda_codec *codec)
spec = codec->spec;
spec->linear_tone_beep = 0;
spec->gen.own_eapd_ctl = 1;
+ spec->gen.power_down_unused = 1;
spec->gen.mixer_nid = 0x17;
spec->have_spdif_mux = 1;
--
1.8.1.1
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