[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>

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 |