[ALSA] oxygen: disable clock of unused I2S inputs

Disable the master clock outputs of any unused I2S inputs.

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

1 files changed, 18 insertions, 11 deletions

diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index 87df2b81c573..858e6d4c9194 100644
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -272,18 +272,25 @@ static void oxygen_init(struct oxygen *chip)
                        OXYGEN_RATE_48000 | chip->model->dac_i2s_format |
                        OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
                        OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
-        oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
-                       OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
-                       OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
-                       OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
-        oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
-                       OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
-                       OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
-                       OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
+        if (chip->model->pcm_dev_cfg & CAPTURE_0_FROM_I2S_1)
+                oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
+                               OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
+                               OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
+                               OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
+        else
+                oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
+                               OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
+        if (chip->model->pcm_dev_cfg & (CAPTURE_0_FROM_I2S_2 |
+                                        CAPTURE_2_FROM_I2S_2))
+                oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
+                               OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
+                               OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
+                               OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
+        else
+                oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
+                               OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
         oxygen_write16(chip, OXYGEN_I2S_C_FORMAT,
-                       OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
-                       OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
-                       OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
+                       OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
         oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL,
                               OXYGEN_SPDIF_SENSE_MASK |
                               OXYGEN_SPDIF_LOCK_MASK |