1 files changed, 16 insertions, 0 deletions

diff --git a/sound/pci/oxygen/oxygen_io.c b/sound/pci/oxygen/oxygen_io.c
index 05f48ef1a442..c1eb923f2ac9 100644
--- a/sound/pci/oxygen/oxygen_io.c
+++ b/sound/pci/oxygen/oxygen_io.c
@@ -269,3 +269,19 @@ u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index)
         }
         return oxygen_read16(chip, OXYGEN_EEPROM_DATA);
 }
+
+void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value)
+{
+        unsigned int timeout;
+
+        oxygen_write16(chip, OXYGEN_EEPROM_DATA, value);
+        oxygen_write8(chip, OXYGEN_EEPROM_CONTROL,
+                      index | OXYGEN_EEPROM_DIR_WRITE);
+        for (timeout = 0; timeout < 10; ++timeout) {
+                msleep(1);
+                if (!(oxygen_read8(chip, OXYGEN_EEPROM_STATUS)
+                      & OXYGEN_EEPROM_BUSY))
+                        return;
+        }
+        snd_printk(KERN_ERR "EEPROM write timeout\n");
+}