[ALSA] Add snd-portman2x4 driver for Midiman Portman 2x4 MIDI device

snd-portman2x4 driver supports Midiman Portman 2x4 parallel port
MIDI device.

Signed-off-by: Matthias Koenig <mkoenig@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/drivers/Kconfig b/sound/drivers/Kconfig
index 40ebd2f..83529b0 100644
--- a/sound/drivers/Kconfig
+++ b/sound/drivers/Kconfig
@@ -109,4 +109,15 @@
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-mpu401.
 
+config SND_PORTMAN2X4
+	tristate "Portman 2x4 driver"
+	depends on SND && PARPORT
+	select SND_RAWMIDI
+	help
+	  Say Y here to include support for Midiman Portman 2x4 parallel
+	  port MIDI device.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-portman2x4.
+
 endmenu