[ALSA] dynamic minors (4/6): dynamic minor number allocation

Modules: ALSA Core,ALSA Minor Numbers

Add an option to allocate device file minor numbers dynamically.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/core/Kconfig

@@ -111,6 +111,17 @@ config SND_SEQ_RTCTIMER_DEFAULT
 
 	  If in doubt, say Y.
 
+config SND_DYNAMIC_MINORS
+	bool "Dynamic device file minor numbers (EXPERIMENTAL)"
+	depends on SND && EXPERIMENTAL
+	help
+	  If you say Y here, the minor numbers of ALSA device files in
+	  /dev/snd/ are allocated dynamically.  This allows you to have
+	  more than 8 sound cards, but requires a dynamic device file
+	  system like udev.
+
+	  If you are unsure about this, say N here.
+
 config SND_VERBOSE_PRINTK
 	bool "Verbose printk"
 	depends on SND