1 files changed, 15 insertions, 0 deletions

diff --git a/sound/pci/oxygen/oxygen_io.c b/sound/pci/oxygen/oxygen_io.c
index 3126c4b403dd..05f48ef1a442 100644
--- a/sound/pci/oxygen/oxygen_io.c
+++ b/sound/pci/oxygen/oxygen_io.c
@@ -254,3 +254,18 @@ void oxygen_write_uart(struct oxygen *chip, u8 data)
         _write_uart(chip, 0, data);
 }
 EXPORT_SYMBOL(oxygen_write_uart);
+
+u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index)
+{
+        unsigned int timeout;
+
+        oxygen_write8(chip, OXYGEN_EEPROM_CONTROL,
+                      index | OXYGEN_EEPROM_DIR_READ);
+        for (timeout = 0; timeout < 100; ++timeout) {
+                udelay(1);
+                if (!(oxygen_read8(chip, OXYGEN_EEPROM_STATUS)
+                      & OXYGEN_EEPROM_BUSY))
+                        break;
+        }
+        return oxygen_read16(chip, OXYGEN_EEPROM_DATA);
+}