---

yaml --- r: 120484 b: refs/heads/master c: e7ee058 h: refs/heads/master v: v3
git-mirror · Nov 21, 2008 · 490b815 · 490b815
1 parent 0fd33e1
commit 490b815
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Showing 4 changed files with 23 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f208dba97f2f3ff2fbcbe771195061e2a0dac870
+refs/heads/master: e7ee058cac89ec2f2c0c9ab0ec92a3776c182642
diff --git a/trunk/sound/pci/Kconfig b/trunk/sound/pci/Kconfig
@@ -518,6 +518,15 @@ config SND_HDA_HWDEP
 	  This interface can be used for out-of-band communication
 	  with codecs for debugging purposes.
 
+config SND_HDA_RECONFIG
+	bool "Allow dynamic codec reconfiguration (EXPERIMENTAL)"
+	depends on SND_HDA_HWDEP && EXPERIMENTAL
+	help
+	  Say Y here to enable the HD-audio codec re-configuration feature.
+	  This adds the sysfs interfaces to allow user to clear the whole
+	  codec configuration, change the codec setup, add extra verbs,
+	  and re-configure the codec dynamically.
+
 config SND_HDA_INPUT_BEEP
 	bool "Support digital beep via input layer"
 	depends on SND_HDA_INTEL

diff --git a/trunk/sound/pci/hda/hda_hwdep.c b/trunk/sound/pci/hda/hda_hwdep.c
@@ -145,6 +145,8 @@ int __devinit snd_hda_create_hwdep(struct hda_codec *codec)
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_RECONFIG
+
 /*
  * sysfs interface
  */
@@ -347,3 +349,5 @@ int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 					  hwdep->device, &codec_attrs[i]);
 	return 0;
 }
+
+#endif /* CONFIG_SND_HDA_RECONFIG */
diff --git a/trunk/sound/pci/hda/hda_local.h b/trunk/sound/pci/hda/hda_local.h
@@ -409,11 +409,19 @@ void snd_hda_ctls_clear(struct hda_codec *codec);
  */
 #ifdef CONFIG_SND_HDA_HWDEP
 int snd_hda_create_hwdep(struct hda_codec *codec);
-int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 #else
 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 #endif
 
+#ifdef CONFIG_SND_HDA_RECONFIG
+int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
+#else
+static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
+{
+	return 0;
+}
+#endif
+
 /*
  * power-management
  */