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authorTakashi Iwai <tiwai@suse.de>2014-01-13 16:09:57 +0100
committerTakashi Iwai <tiwai@suse.de>2014-01-13 16:30:15 +0100
commitdfc6e469b6d1ee5e8c71fa398b7b58fbb600dad8 (patch)
tree0be5382d677d330bc326f4931cabf0e483d09a52 /sound/pci/hda/hda_generic.c
parentcbd209f41ea5f39394de5c1fe2dd9aa54a9c5744 (diff)
ALSA: hda - Apply codec power_filter to FG nodes
Apply the codec->power_filter to the FG nodes in general for reducing hackish set_power_state ops override in patch_sigmatel.c. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_generic.c')
-rw-r--r--sound/pci/hda/hda_generic.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 7513089c8985..8321a97d5c05 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -4312,11 +4312,11 @@ static int check_auto_mic_availability(struct hda_codec *codec)
}
/* power_filter hook; make inactive widgets into power down */
-static unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
+unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
hda_nid_t nid,
unsigned int power_state)
{
- if (power_state != AC_PWRST_D0)
+ if (power_state != AC_PWRST_D0 || nid == codec->afg)
return power_state;
if (get_wcaps_type(get_wcaps(codec, nid)) >= AC_WID_POWER)
return power_state;
@@ -4324,6 +4324,7 @@ static unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
return power_state;
return AC_PWRST_D3;
}
+EXPORT_SYMBOL_GPL(snd_hda_gen_path_power_filter);
/* mute all aamix inputs initially; parse up to the first leaves */
static void mute_all_mixer_nid(struct hda_codec *codec, hda_nid_t mix)