On Tue, Mar 19, 2013 at 10:10:47AM -0300, Rodolfo Thomazelli wrote:
> [ 1144.857836] usb 2-1.2: new high-speed USB device number 4 using ehci_hcd
> [ 1144.951520] usb 2-1.2: New USB device found, idVendor=1235,
> idProduct=8002
> [ 1144.951531] usb 2-1.2: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [ 1144.951538] usb 2-1.2: Product: Scarlett 8i6 USB
> [ 1144.951543] usb 2-1.2: Manufacturer: Focusrite
> [ 1144.951547] usb 2-1.2: SerialNumber: 00006B8B
> [ 1144.956590] usbaudio: unit 51: unexpected type 0x09
> [ 1144.956640] snd-usb-audio: probe of 2-1.2:1.0 failed with error -5*
Even if extension unit has changed bDescriptorSubtype between UAC1 and
UAC2, it should be safe to handle them the same way, right, Daniel?
That is,
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index e90daf8..aac5f01 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -725,7 +725,8 @@ static int check_input_term(struct mixer_build *state, int
id, struct usb_audio_
case UAC1_PROCESSING_UNIT:
case UAC1_EXTENSION_UNIT:
/* UAC2_PROCESSING_UNIT_V2 */
- /* UAC2_EFFECT_UNIT */ {
+ /* UAC2_EFFECT_UNIT */
+ case UAC2_EXTENSION_UNIT_V2: {
struct uac_processing_unit_descriptor *d = p1;
if (state->mixer->protocol == UAC_VERSION_2 &&
@@ -2051,6 +2052,8 @@ static int parse_audio_unit(struct mixer_build *state,
int unitid)
return parse_audio_extension_unit(state, unitid, p1);
else /* UAC_VERSION_2 */
return parse_audio_processing_unit(state, unitid, p1);
+ case UAC2_EXTENSION_UNIT_V2:
+ return parse_audio_extension_unit(state, unitid, p1);
default:
snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type
0x%02x\n", unitid, p1[2]);
return -EINVAL;
Torstein
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