diff options
| -rw-r--r-- | sound/usb/implicit.c | 59 |
1 files changed, 54 insertions, 5 deletions
diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c index bc7edecff946..16b1fb55b7b9 100644 --- a/sound/usb/implicit.c +++ b/sound/usb/implicit.c @@ -19,6 +19,7 @@ enum { IMPLICIT_FB_NONE, + IMPLICIT_FB_GENERIC, IMPLICIT_FB_FIXED, }; @@ -30,6 +31,8 @@ struct snd_usb_implicit_fb_match { int type; }; +#define IMPLICIT_FB_GENERIC_DEV(vend, prod) \ + { .id = USB_ID(vend, prod), .type = IMPLICIT_FB_GENERIC } #define IMPLICIT_FB_FIXED_DEV(vend, prod, ep, ifnum) \ { .id = USB_ID(vend, prod), .type = IMPLICIT_FB_FIXED, .ep_num = (ep),\ .iface = (ifnum) } @@ -38,19 +41,22 @@ struct snd_usb_implicit_fb_match { /* Implicit feedback quirk table for playback */ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = { + /* Generic matching */ + IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2080), /* M-Audio FastTrack Ultra */ + IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2081), /* M-Audio FastTrack Ultra */ + IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2030), /* M-Audio Fast Track C400 */ + IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2031), /* M-Audio Fast Track C600 */ + /* Fixed EP */ + /* FIXME: check the availability of generic matching */ IMPLICIT_FB_FIXED_DEV(0x1397, 0x0001, 0x81, 1), /* Behringer UFX1604 */ IMPLICIT_FB_FIXED_DEV(0x1397, 0x0002, 0x81, 1), /* Behringer UFX1204 */ - IMPLICIT_FB_FIXED_DEV(0x0763, 0x2080, 0x81, 2), /* M-Audio FastTrack Ultra */ - IMPLICIT_FB_FIXED_DEV(0x0763, 0x2081, 0x81, 2), /* M-Audio FastTrack Ultra */ IMPLICIT_FB_FIXED_DEV(0x2466, 0x8010, 0x81, 2), /* Fractal Audio Axe-Fx III */ IMPLICIT_FB_FIXED_DEV(0x07fd, 0x0008, 0x81, 2), /* MOTU M Series */ IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0001, 0x81, 2), /* Solid State Logic SSL2 */ IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0002, 0x81, 2), /* Solid State Logic SSL2+ */ IMPLICIT_FB_FIXED_DEV(0x0499, 0x172f, 0x81, 2), /* Steinberg UR22C */ IMPLICIT_FB_FIXED_DEV(0x0d9a, 0x00df, 0x81, 2), /* RTX6001 */ - IMPLICIT_FB_FIXED_DEV(0x0763, 0x2030, 0x81, 3), /* M-Audio Fast Track C400 */ - IMPLICIT_FB_FIXED_DEV(0x0763, 0x2031, 0x81, 3), /* M-Audio Fast Track C600 */ IMPLICIT_FB_FIXED_DEV(0x22f0, 0x0006, 0x81, 3), /* Allen&Heath Qu-16 */ IMPLICIT_FB_FIXED_DEV(0x2b73, 0x000a, 0x82, 0), /* Pioneer DJ DJM-900NXS2 */ IMPLICIT_FB_FIXED_DEV(0x2b73, 0x0017, 0x82, 0), /* Pioneer DJ DJM-250MK2 */ @@ -75,7 +81,7 @@ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = { {} /* terminator */ }; -/* Implicit feedback quirk table for capture */ +/* Implicit feedback quirk table for capture: only FIXED type */ static const struct snd_usb_implicit_fb_match capture_implicit_fb_quirks[] = { IMPLICIT_FB_FIXED_DEV(0x0582, 0x01e5, 0x0d, 0x01), /* BOSS GT-001 */ @@ -162,6 +168,47 @@ static int add_roland_implicit_fb(struct snd_usb_audio *chip, ifnum, alts); } + +static int __add_generic_implicit_fb(struct snd_usb_audio *chip, + struct audioformat *fmt, + int iface, int altset) +{ + struct usb_host_interface *alts; + struct usb_endpoint_descriptor *epd; + + alts = snd_usb_get_host_interface(chip, iface, altset); + if (!alts) + return 0; + + if ((alts->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC && + alts->desc.bInterfaceClass != USB_CLASS_AUDIO) || + alts->desc.bNumEndpoints < 1) + return 0; + epd = get_endpoint(alts, 0); + if (!usb_endpoint_is_isoc_in(epd) || + (epd->bmAttributes & USB_ENDPOINT_SYNCTYPE) != USB_ENDPOINT_SYNC_ASYNC) + return 0; + return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress, + iface, alts); +} + +/* More generic quirk: look for the sync EP next to the data EP */ +static int add_generic_implicit_fb(struct snd_usb_audio *chip, + struct audioformat *fmt, + struct usb_host_interface *alts) +{ + if ((fmt->ep_attr & USB_ENDPOINT_SYNCTYPE) != USB_ENDPOINT_SYNC_ASYNC) + return 0; + + if (__add_generic_implicit_fb(chip, fmt, + alts->desc.bInterfaceNumber + 1, + alts->desc.bAlternateSetting)) + return 1; + return __add_generic_implicit_fb(chip, fmt, + alts->desc.bInterfaceNumber - 1, + alts->desc.bAlternateSetting); +} + static const struct snd_usb_implicit_fb_match * find_implicit_fb_entry(struct snd_usb_audio *chip, const struct snd_usb_implicit_fb_match *match, @@ -189,6 +236,8 @@ static int audioformat_implicit_fb_quirk(struct snd_usb_audio *chip, p = find_implicit_fb_entry(chip, playback_implicit_fb_quirks, alts); if (p) { switch (p->type) { + case IMPLICIT_FB_GENERIC: + return add_generic_implicit_fb(chip, fmt, alts); case IMPLICIT_FB_NONE: return 0; /* No quirk */ case IMPLICIT_FB_FIXED: |