diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 5953e22a72c5..676acc20595b 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -403,6 +403,9 @@ static int audioformat_implicit_fb_quirk(struct snd_usb_audio *chip, case USB_ID(0x0582, 0x01d8): /* BOSS Katana */ /* BOSS Katana amplifiers do not need quirks */ return 0; + case USB_ID(0x0582, 0x01e5): /* BOSS GT-001 */ + /* BOSS GT-001 needs no implicit fb for playback */ + return 0; } /* Generic UAC2 implicit feedback */ @@ -454,6 +457,30 @@ add_sync_ep: return 1; } +static int audioformat_capture_quirk(struct snd_usb_audio *chip, + struct audioformat *fmt, + struct usb_host_interface *alts) +{ + struct usb_device *dev = chip->dev; + + switch (chip->usb_id) { + case USB_ID(0x0582, 0x01e5): /* BOSS GT-001 */ + if (!snd_usb_get_host_interface(chip, 0x01, 0x01)) + return 0; + fmt->sync_ep = 0x0d; + fmt->sync_iface = 0x01; + fmt->sync_altsetting = 0x01; + fmt->sync_ep_idx = 0; + fmt->implicit_fb = 1; + dev_dbg(&dev->dev, "%d:%d: added fake capture sync sync_ep=%x, iface=%d, alt=%d\n", + fmt->iface, fmt->altsetting, fmt->sync_ep, fmt->sync_iface, + fmt->sync_altsetting); + return 1; + } + return 0; + +} + int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, struct audioformat *fmt) { @@ -474,6 +501,10 @@ int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, err = audioformat_implicit_fb_quirk(chip, fmt, alts); if (err > 0) return 0; + } else { + err = audioformat_capture_quirk(chip, fmt, alts); + if (err > 0) + return 0; } if (altsd->bNumEndpoints < 2)