ALSA: isa: Move snd_legacy_find_free_ioport to initval.h

Move snd_legacy_find_free_ioport() function back to initval.h as it is used
by two drivers.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/sound/initval.h b/include/sound/initval.h
index f99a0d2ddfe7..ac62c67e6f42 100644
--- a/include/sound/initval.h
+++ b/include/sound/initval.h
@@ -50,6 +50,20 @@
 #define SNDRV_DEFAULT_DMA_SIZE  { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
 #define SNDRV_DEFAULT_PTR       SNDRV_DEFAULT_STR
 
+#ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
+static long snd_legacy_find_free_ioport(long *port_table, long size)
+{
+        while (*port_table != -1) {
+                if (request_region(*port_table, size, "ALSA test")) {
+                        release_region(*port_table, size);
+                        return *port_table;
+                }
+                port_table++;
+        }
+        return -1;
+}
+#endif
+
 #ifdef SNDRV_LEGACY_FIND_FREE_IRQ
 #include <linux/interrupt.h>