[ALSA] powermac - Add AUTO_DRC config
PPC,PPC Tumbler driver
Added AUTO_DRC kernel config to enable/disable the auto-DRC-toggle
feature on tumbler/snapper.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/ppc/Kconfig b/sound/ppc/Kconfig
index bda5bc4..206b933 100644
--- a/sound/ppc/Kconfig
+++ b/sound/ppc/Kconfig
@@ -20,5 +20,17 @@
To compile this driver as a module, choose M here: the module
will be called snd-powermac.
-endmenu
+config SND_POWERMAC_AUTO_DRC
+ bool "Toggle DRC automatically at headphone/line plug-in"
+ depends on SND_POWERMAC
+ default y
+ help
+ Say Y here to enable the automatic toggle of DRC (dynamic
+ range compression) on Tumbler/Snapper.
+ If this feature is enabled, DRC is turned off when the
+ headphone/line jack is plugged, and turned on when unplugged.
+ Note that you can turn on/off DRC manually even without this
+ option.
+
+endmenu