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Diffstat (limited to 'sound/usb/endpoint.c')
-rw-r--r--sound/usb/endpoint.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 1a701f1e8f5..ef0a07e3484 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -275,6 +275,12 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
275 275
276 /* get audio formats */ 276 /* get audio formats */
277 switch (protocol) { 277 switch (protocol) {
278 default:
279 snd_printdd(KERN_WARNING "%d:%u:%d: unknown interface protocol %#02x, assuming v1\n",
280 dev->devnum, iface_no, altno, protocol);
281 protocol = UAC_VERSION_1;
282 /* fall through */
283
278 case UAC_VERSION_1: { 284 case UAC_VERSION_1: {
279 struct uac1_as_header_descriptor *as = 285 struct uac1_as_header_descriptor *as =
280 snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_AS_GENERAL); 286 snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_AS_GENERAL);
@@ -336,11 +342,6 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
336 dev->devnum, iface_no, altno, as->bTerminalLink); 342 dev->devnum, iface_no, altno, as->bTerminalLink);
337 continue; 343 continue;
338 } 344 }
339
340 default:
341 snd_printk(KERN_ERR "%d:%u:%d : unknown interface protocol %04x\n",
342 dev->devnum, iface_no, altno, protocol);
343 continue;
344 } 345 }
345 346
346 /* get format type */ 347 /* get format type */