ALSA: oxygen: configure MIDI via device_config

To enable the MIDI port, model drivers must now set flags in
device_config, not only in misc_flags.  This allows model drivers to
enable the UART without creating an ALSA MIDI device.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/pci/oxygen/oxygen.c

@@ -297,6 +297,7 @@ static int generic_probe(struct oxygen *chip, unsigned long driver_data)
 					    CAPTURE_0_FROM_I2S_2 |
 					    CAPTURE_1_FROM_SPDIF;
 		chip->model.misc_flags = OXYGEN_MISC_MIDI;
+		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
 	}
 	return 0;
 }

sound/pci/oxygen/oxygen.h

@@ -19,14 +19,19 @@
 #define OXYGEN_IO_SIZE	0x100
 
 /* model-specific configuration of outputs/inputs */
-#define PLAYBACK_0_TO_I2S	0x001
-#define PLAYBACK_1_TO_SPDIF	0x004
-#define PLAYBACK_2_TO_AC97_1	0x008
-#define CAPTURE_0_FROM_I2S_1	0x010
-#define CAPTURE_0_FROM_I2S_2	0x020
-#define CAPTURE_1_FROM_SPDIF	0x080
-#define CAPTURE_2_FROM_I2S_2	0x100
-#define CAPTURE_2_FROM_AC97_1	0x200
+#define PLAYBACK_0_TO_I2S	0x0001
+     /* PLAYBACK_0_TO_AC97_0		not implemented */
+#define PLAYBACK_1_TO_SPDIF	0x0004
+#define PLAYBACK_2_TO_AC97_1	0x0008
+#define CAPTURE_0_FROM_I2S_1	0x0010
+#define CAPTURE_0_FROM_I2S_2	0x0020
+     /* CAPTURE_0_FROM_AC97_0		not implemented */
+#define CAPTURE_1_FROM_SPDIF	0x0080
+#define CAPTURE_2_FROM_I2S_2	0x0100
+#define CAPTURE_2_FROM_AC97_1	0x0200
+     /* CAPTURE_3_FROM_I2S_3		not implemented */
+#define MIDI_OUTPUT		0x0800
+#define MIDI_INPUT		0x1000
 
 enum {
 	CONTROL_SPDIF_PCM,

sound/pci/oxygen/oxygen_lib.c

@@ -502,10 +502,15 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 	if (err < 0)
 		goto err_card;
 
-	if (chip->model.misc_flags & OXYGEN_MISC_MIDI) {
+	if (chip->model.device_config & (MIDI_OUTPUT | MIDI_INPUT)) {
+		unsigned int info_flags = MPU401_INFO_INTEGRATED;
+		if (chip->model.device_config & MIDI_OUTPUT)
+			info_flags |= MPU401_INFO_OUTPUT;
+		if (chip->model.device_config & MIDI_INPUT)
+			info_flags |= MPU401_INFO_INPUT;
 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI,
 					  chip->addr + OXYGEN_MPU401,
-					  MPU401_INFO_INTEGRATED, 0, 0,
+					  info_flags, 0, 0,
 					  &chip->midi);
 		if (err < 0)
 			goto err_card;

sound/pci/oxygen/virtuoso.c

@@ -569,7 +569,9 @@ static const struct oxygen_model model_xonar_d2 = {
 	.device_config = PLAYBACK_0_TO_I2S |
 			 PLAYBACK_1_TO_SPDIF |
 			 CAPTURE_0_FROM_I2S_2 |
-			 CAPTURE_1_FROM_SPDIF,
+			 CAPTURE_1_FROM_SPDIF |
+			 MIDI_OUTPUT |
+			 MIDI_INPUT,
 	.dac_channels = 8,
 	.dac_volume_min = 0x0f,
 	.dac_volume_max = 0xff,