ALSA: hda - Make CONFIG_SND_HDA_RECONFIG for codec reconfiguration

Make the codec re-configuration feature selectable via Kconfig,
CONFIG_SND_HDA_RECONFIG.
Also mark it as experimental (as it really is).

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 157a0a6..cc6cf89 100644 (file)
--- a/sound/pci/Kconfig
+++ b/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 --cc sound/pci/hda/hda_hwdep.c
Simple merge

diff --cc sound/pci/hda/hda_local.h
Simple merge