[ALSA] oxygen: make SPI/2-wire configuration model-specific

Allow the model drivers to specify if the codec communication goes over
SPI or a 2-wire bus.

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

sound/pci/oxygen/oxygen.c

@@ -310,7 +310,8 @@ static const struct oxygen_model model_generic = {
 		       CAPTURE_1_FROM_SPDIF |
 		       CAPTURE_2_FROM_AC97_1,
 	.dac_channels = 8,
-	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
+	.function_flags = OXYGEN_FUNCTION_SPI |
+			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 };
@@ -335,7 +336,8 @@ static const struct oxygen_model model_meridian = {
 		       CAPTURE_1_FROM_SPDIF |
 		       CAPTURE_2_FROM_AC97_1,
 	.dac_channels = 8,
-	.function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
+	.function_flags = OXYGEN_FUNCTION_SPI |
+			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 };