Patchwork intel hda regression: 2.6.33-rc{1,2}: hd-audio0 eats 25% CPU (according to top)

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Submitter Takashi Iwai
Date Dec. 25, 2009, 5:06 p.m.
Message ID <s5hvdfvyoef.wl%tiwai@suse.de>
Download mbox | patch
Permalink /patch/69747/
State New, archived
Headers show

Comments

Patch

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 950ee5c..f98b47c 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1327,11 +1327,13 @@  EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
  */
 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid)
 {
-	u32 pincap = snd_hda_query_pin_caps(codec, nid);
-
-	if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
-		snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
+	u32 pincap;
 
+	if (!codec->no_trigger_sense) {
+		pincap = snd_hda_query_pin_caps(codec, nid);
+		if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
+			snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
+	}
 	return snd_hda_codec_read(codec, nid, 0,
 				  AC_VERB_GET_PIN_SENSE, 0);
 }
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 1d541b7..0a770a2 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -817,6 +817,7 @@  struct hda_codec {
 	unsigned int pin_amp_workaround:1; /* pin out-amp takes index
 					    * (e.g. Conexant codecs)
 					    */
+	unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 	unsigned int power_on :1;	/* current (global) power-state */
 	unsigned int power_transition :1; /* power-state in transition */
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 1a36137..69a941c 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -1186,6 +1186,8 @@  static int patch_ad1986a(struct hda_codec *codec)
 	 */
 	spec->multiout.no_share_stream = 1;
 
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }
 
@@ -1371,6 +1373,8 @@  static int patch_ad1983(struct hda_codec *codec)
 
 	codec->patch_ops = ad198x_patch_ops;
 
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }
 
@@ -1813,6 +1817,9 @@  static int patch_ad1981(struct hda_codec *codec)
 		codec->patch_ops.unsol_event = ad1981_hp_unsol_event;
 		break;
 	}
+
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }
 
@@ -3118,6 +3125,8 @@  static int patch_ad1988(struct hda_codec *codec)
 #endif
 	spec->vmaster_nid = 0x04;
 
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }
 
@@ -3330,6 +3339,8 @@  static int patch_ad1884(struct hda_codec *codec)
 
 	codec->patch_ops = ad198x_patch_ops;
 
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }
 
@@ -4287,6 +4298,8 @@  static int patch_ad1884a(struct hda_codec *codec)
 		break;
 	}
 
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }
 
@@ -4623,6 +4636,9 @@  static int patch_ad1882(struct hda_codec *codec)
 		spec->mixers[2] = ad1882_6stack_mixers;
 		break;
 	}
+
+	codec->no_trigger_sense = 1;
+
 	return 0;
 }