[ALSA] oxygen: add symbol for I/O space size

Remove another magic number - add a symbol for the size of the PCI I/O
range.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

2 files changed, 4 insertions, 2 deletions

diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index a71c6e059260..6c6efede4d2f 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -16,6 +16,8 @@
 #define PCM_AC97        5
 #define PCM_COUNT       6
 
+#define OXYGEN_IO_SIZE  0x100
+
 /* model-specific configuration of outputs/inputs */
 #define PLAYBACK_0_TO_I2S       0x001
 #define PLAYBACK_1_TO_SPDIF     0x004
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index 6e3879527dcd..60bc15917349 100644
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -173,7 +173,7 @@ static void oxygen_proc_read(struct snd_info_entry *entry,
         int i, j;
 
         snd_iprintf(buffer, "CMI8788\n\n");
-        for (i = 0; i < 0x100; i += 0x10) {
+        for (i = 0; i < OXYGEN_IO_SIZE; i += 0x10) {
                 snd_iprintf(buffer, "%02x:", i);
                 for (j = 0; j < 0x10; ++j)
                         snd_iprintf(buffer, " %02x", oxygen_read8(chip, i + j));
@@ -455,7 +455,7 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
         }
 
         if (!(pci_resource_flags(pci, 0) & IORESOURCE_IO) ||
-            pci_resource_len(pci, 0) < 0x100) {
+            pci_resource_len(pci, 0) < OXYGEN_IO_SIZE) {
                 snd_printk(KERN_ERR "invalid PCI I/O range\n");
                 err = -ENXIO;
                 goto err_pci_regions;