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>

1 files changed, 9 insertions, 0 deletions

diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 157a0a6b10ae..cc6cf89c32e6 100644
--- 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