ALSA: snd-usb-audio: support for Edirol UA-4FX device

[linux-2.6-omap-h63xx.git] / sound / usb / usbaudio.c

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 8af12b680e12e58b90994cb9f1f23b1636b0c9c9..6e70ba4ee21f2edffaf29d558e0b5543c7c7d8da 100644 (file)
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2997,12 +2997,12 @@ static int create_standard_audio_quirk(struct snd_usb_audio *chip,
 }
 
 /*
- * Create a stream for an Edirol UA-700/UA-25 interface.  The only way
- * to detect the sample rate is by looking at wMaxPacketSize.
+ * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.  
+ * The only way to detect the sample rate is by looking at wMaxPacketSize.
  */
-static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
-                                  struct usb_interface *iface,
-                                  const struct snd_usb_audio_quirk *quirk)
+static int create_uaxx_quirk(struct snd_usb_audio *chip,
+                             struct usb_interface *iface,
+                             const struct snd_usb_audio_quirk *quirk)
 {
        static const struct audioformat ua_format = {
                .format = SNDRV_PCM_FORMAT_S24_3LE,
@@ -3017,37 +3017,12 @@ static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
        struct audioformat *fp;
        int stream, err;
 
-       /* both PCM and MIDI interfaces have 2 altsettings */
-       if (iface->num_altsetting != 2)
+       /* both PCM and MIDI interfaces have 2 or more altsettings */
+       if (iface->num_altsetting < 2)
                return -ENXIO;
        alts = &iface->altsetting[1];
        altsd = get_iface_desc(alts);
 
-       if (altsd->bNumEndpoints == 2) {
-               static const struct snd_usb_midi_endpoint_info ua700_ep = {
-                       .out_cables = 0x0003,
-                       .in_cables  = 0x0003
-               };
-               static const struct snd_usb_audio_quirk ua700_quirk = {
-                       .type = QUIRK_MIDI_FIXED_ENDPOINT,
-                       .data = &ua700_ep
-               };
-               static const struct snd_usb_midi_endpoint_info ua25_ep = {
-                       .out_cables = 0x0001,
-                       .in_cables  = 0x0001
-               };
-               static const struct snd_usb_audio_quirk ua25_quirk = {
-                       .type = QUIRK_MIDI_FIXED_ENDPOINT,
-                       .data = &ua25_ep
-               };
-               if (chip->usb_id == USB_ID(0x0582, 0x002b))
-                       return snd_usb_create_midi_interface(chip, iface,
-                                                            &ua700_quirk);
-               else
-                       return snd_usb_create_midi_interface(chip, iface,
-                                                            &ua25_quirk);
-       }
-
        if (altsd->bNumEndpoints != 1)
                return -ENXIO;
 
@@ -3377,9 +3352,9 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip,
                [QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
                [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
                [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
-               [QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
                [QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
                [QUIRK_AUDIO_EDIROL_UA101] = create_ua101_quirk,
+               [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk
        };
 
        if (quirk->type < QUIRK_TYPE_COUNT) {