[ALSA] oxygen: use SPDIF input only if present

If the card model does not have a digital input or an AC97 codec,
disable the respective interrupt and mixer controls.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
index d0bef09a6999..2cb914498a19 100644
--- a/sound/pci/oxygen/oxygen_mixer.c
+++ b/sound/pci/oxygen/oxygen_mixer.c
@@ -742,6 +742,9 @@ static const struct snd_kcontrol_new controls[] = {
                 .get = spdif_pcm_get,
                 .put = spdif_pcm_put,
         },
+};
+
+static const struct snd_kcontrol_new spdif_input_controls[] = {
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
                 .device = 1,
@@ -961,6 +964,12 @@ int oxygen_mixer_init(struct oxygen *chip)
         err = add_controls(chip, controls, ARRAY_SIZE(controls));
         if (err < 0)
                 return err;
+        if (chip->model->pcm_dev_cfg & CAPTURE_1_FROM_SPDIF) {
+                err = add_controls(chip, spdif_input_controls,
+                                   ARRAY_SIZE(spdif_input_controls));
+                if (err < 0)
+                        return err;
+        }
         for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
                 if (!(chip->model->pcm_dev_cfg & monitor_controls[i].pcm_dev))
                         continue;