ALSA: snd-usb: Accept UAC2 FORMAT_TYPE descriptors with bLength > 6

[android-x86/kernel.git] / sound / usb / endpoint.c

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index b0ef9f5..7d46e48 100644 (file)
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -352,7 +352,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
                        continue;
                }
                if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
-                   ((protocol == UAC_VERSION_2) && (fmt->bLength != 6))) {
+                   ((protocol == UAC_VERSION_2) && (fmt->bLength < 6))) {
                        snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
                                   dev->devnum, iface_no, altno);
                        continue;
@@ -408,6 +408,8 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
                        /* doesn't set the sample rate attribute, but supports it */
                        fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
                        break;
+               case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */
+               case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
                case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
                case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
                                                an older model 77d:223) */