[ALSA] oxygen: use SPDIF input only if present

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / pci / oxygen / oxygen_mixer.c

diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
index d0bef09a6999bfa2cbce9aece2be6b60da1df857..2cb914498a19ff7c601df48a9ea5b79218b4b67f 100644 (file)
--- 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;