---

yaml --- r: 316118 b: refs/heads/master c: 0c7f46a h: refs/heads/master v: v3
git-mirror · Jun 7, 2012 · f6903b1 · f6903b1
1 parent 199bd26
commit f6903b1
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 167d2d55bfb4628169a57e3adbb1e5b097dca0f5
+refs/heads/master: 0c7f46ad927cbd29965d4971730de713b478d270
diff --git a/trunk/sound/pci/hda/hda_codec.c b/trunk/sound/pci/hda/hda_codec.c
@@ -3504,6 +3504,22 @@ void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
 }
 EXPORT_SYMBOL_HDA(snd_hda_codec_set_power_to_all);
 
+/*
+ *  supported power states check
+ */
+static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec, hda_nid_t fg,
+				unsigned int power_state)
+{
+	int sup = snd_hda_param_read(codec, fg, AC_PAR_POWER_STATE);
+
+	if (sup < 0)
+		return false;
+	if (sup & power_state)
+		return true;
+	else
+		return false;
+}
+
 /*
  * set power state of the codec
  */