[ALSA] virtuoso: initialize two-wire control register

On the Xonar DX, initialize all bits of the two-wire control register.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 3 deletions

diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c
index 53d7289f21c0..c7080d6b71c2 100644
--- a/sound/pci/oxygen/virtuoso.c
+++ b/sound/pci/oxygen/virtuoso.c
@@ -229,9 +229,10 @@ static void xonar_dx_init(struct oxygen *chip)
         data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
         data->ext_power_bit = GPI_DX_EXT_POWER;
 
-        /* XXX the DACs' datasheets say fast mode is not allowed */
-        oxygen_set_bits16(chip, OXYGEN_2WIRE_BUS_STATUS,
-                          OXYGEN_2WIRE_SPEED_FAST);
+        oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
+                       OXYGEN_2WIRE_LENGTH_8 |
+                       OXYGEN_2WIRE_INTERRUPT_MASK |
+                       OXYGEN_2WIRE_SPEED_FAST);
 
         /* set CPEN (control port mode) and power down */
         cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN);