ALSA: virtuoso: add HDMI enable switch for HDAV1.3

The GPIO bit that enables analog output on the Xonar HDAV1.3 also
disables the HDMI audio output, so we better add a switch for it.
Hopefully, this is sufficient to make the HDMI output work.

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

1 files changed, 4 insertions, 2 deletions

diff --git a/sound/pci/oxygen/xonar_lib.c b/sound/pci/oxygen/xonar_lib.c
index b3ff71316653..0ebe7f5916f9 100644
--- a/sound/pci/oxygen/xonar_lib.c
+++ b/sound/pci/oxygen/xonar_lib.c
@@ -104,9 +104,10 @@ int xonar_gpio_bit_switch_get(struct snd_kcontrol *ctl,
 {
         struct oxygen *chip = ctl->private_data;
         u16 bit = ctl->private_value;
+        bool invert = ctl->private_value & XONAR_GPIO_BIT_INVERT;
 
         value->value.integer.value[0] =
-                !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
+                !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit) ^ invert;
         return 0;
 }
 
@@ -115,12 +116,13 @@ int xonar_gpio_bit_switch_put(struct snd_kcontrol *ctl,
 {
         struct oxygen *chip = ctl->private_data;
         u16 bit = ctl->private_value;
+        bool invert = ctl->private_value & XONAR_GPIO_BIT_INVERT;
         u16 old_bits, new_bits;
         int changed;
 
         spin_lock_irq(&chip->reg_lock);
         old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
-        if (value->value.integer.value[0])
+        if (!!value->value.integer.value[0] ^ invert)
                 new_bits = old_bits | bit;
         else
                 new_bits = old_bits & ~bit;