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Diffstat (limited to 'sound/usb/card.c')
-rw-r--r--sound/usb/card.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 0d7a5d70634e..f6c3c1cd591e 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -307,6 +307,20 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
return -EINVAL;
}
+ if (protocol == UAC_VERSION_3) {
+ int badd = assoc->bFunctionSubClass;
+
+ if (badd != UAC3_FUNCTION_SUBCLASS_FULL_ADC_3_0 &&
+ (badd < UAC3_FUNCTION_SUBCLASS_GENERIC_IO ||
+ badd > UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE)) {
+ dev_err(&dev->dev,
+ "Unsupported UAC3 BADD profile\n");
+ return -EINVAL;
+ }
+
+ chip->badd_profile = badd;
+ }
+
for (i = 0; i < assoc->bInterfaceCount; i++) {
int intf = assoc->bFirstInterface + i;