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-rw-r--r--sound/pci/cmipci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index fdc4615ea0e..9149d00d1ad 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -3012,6 +3012,13 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
/* enable UART */
snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN);
+ if (inb(iomidi + 1) == 0xff) {
+ snd_printk(KERN_ERR "cannot enable MPU-401 port"
+ " at %#lx\n", iomidi);
+ snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1,
+ CM_UART_EN);
+ iomidi = 0;
+ }
}
}