ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers

BOSS Katana amplifiers cannot be used for recording or playback if quirks
are applied

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=195223
Signed-off-by: Szabolcs Szőke <szszoke.code@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191011171937.8013-1-szszoke.code@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 33cd26763c0ee5d4509e156d43d83a6c50971988..ff5ab24f3bd1f36013ffd343b39139d48a5feff8 100644 (file)
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -348,6 +348,9 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
                ep = 0x84;
                ifnum = 0;
                goto add_sync_ep_from_ifnum;
+       case USB_ID(0x0582, 0x01d8): /* BOSS Katana */
+               /* BOSS Katana amplifiers do not need quirks */
+               return 0;
        }
 
        if (attr == USB_ENDPOINT_SYNC_ASYNC &&