ALSA: usb-audio: use usbquirk.h for detection of HVR-950Q/850

Detect the HVR-950Q HVR-850 urb data alignment quirk using usbquirk.h
rather than using a case statement in snd_usb_audio_probe.

Signed-off-by: John S. Gruber <JohnSGruber@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 617515f..4ada98e 100644 (file)
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -3203,6 +3203,18 @@ static int ignore_interface_quirk(struct snd_usb_audio *chip,
        return 0;
 }
 
+/*
+ * Allow alignment on audio sub-slot (channel samples) rather than
+ * on audio slots (audio frames)
+ */
+static int create_align_transfer_quirk(struct snd_usb_audio *chip,
+                                 struct usb_interface *iface,
+                                 const struct snd_usb_audio_quirk *quirk)
+{
+       chip->txfr_quirk = 1;
+       return 1;       /* Continue with creating streams and mixer */
+}
+
 
 /*
  * boot quirks
@@ -3377,7 +3389,8 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip,
                [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
                [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
                [QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
-               [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk
+               [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
+               [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk
        };
 
        if (quirk->type < QUIRK_TYPE_COUNT) {
@@ -3631,20 +3644,7 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
                }
        }
 
-       switch (chip->usb_id) {
-       case USB_ID(0x2040, 0x7200): /* Hauppage hvr950Q */
-       case USB_ID(0x2040, 0x7221): /* Hauppage hvr950Q */
-       case USB_ID(0x2040, 0x7222): /* Hauppage hvr950Q */
-       case USB_ID(0x2040, 0x7223): /* Hauppage hvr950Q */
-       case USB_ID(0x2040, 0x7224): /* Hauppage hvr950Q */
-       case USB_ID(0x2040, 0x7225): /* Hauppage hvr950Q */
-       case USB_ID(0x2040, 0x7230): /* Hauppage hvr850 */
-       case USB_ID(0x2040, 0x7250): /* Hauppage hvr950Q */
-               chip->txfr_quirk = 1;
-               break;
-       default:
-               chip->txfr_quirk = 0;
-               }
+       chip->txfr_quirk = 0;
        err = 1; /* continue */
        if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) {
                /* need some special handlings */

diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index d180554..9d8cea4 100644 (file)
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -161,6 +161,7 @@ enum quirk_type {
        QUIRK_AUDIO_FIXED_ENDPOINT,
        QUIRK_AUDIO_EDIROL_UA1000,
        QUIRK_AUDIO_EDIROL_UAXX,
+       QUIRK_AUDIO_ALIGN_TRANSFER,
 
        QUIRK_TYPE_COUNT
 };

diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index bd6706c..65bbd22 100644 (file)
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -2074,6 +2074,120 @@ YAMAHA_DEVICE(0x7010, "UB99"),
        }
 },
 
+/* Hauppauge HVR-950Q and HVR-850 */
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7200),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7201),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7202),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7203),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7204),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7205),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7250),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-950Q",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+{
+       USB_DEVICE_VENDOR_SPEC(0x2040, 0x7230),
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+                      USB_DEVICE_ID_MATCH_INT_CLASS |
+                      USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+       .bInterfaceClass = USB_CLASS_AUDIO,
+       .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "Hauppauge",
+               .product_name = "HVR-850",
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_AUDIO_ALIGN_TRANSFER,
+       }
+},
+
 {
        /*
         * Some USB MIDI devices don't have an audio control interface,