[ALSA] oxygen: make AC97 codec optional

Only initialize and create mixer controls for the first AC97 codec when
one has actually been detected.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index 4a0c6634ac96..66dee9504340 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -56,7 +56,8 @@ struct oxygen {
         u8 spdif_playback_enable;
         u8 ak4396_reg1;
         u8 revision;
-        u8 has_2nd_ac97_codec;
+        u8 has_ac97_0;
+        u8 has_ac97_1;
         u32 spdif_bits;
         u32 spdif_pcm_bits;
         struct snd_pcm_substream *streams[PCM_COUNT];