diff options
Diffstat (limited to 'sound/usb/card.c')
-rw-r--r-- | sound/usb/card.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c index da1346bd4856..7a8ac1d81be7 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c | |||
@@ -236,7 +236,6 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) | |||
236 | } | 236 | } |
237 | 237 | ||
238 | case UAC_VERSION_2: { | 238 | case UAC_VERSION_2: { |
239 | struct uac_clock_source_descriptor *cs; | ||
240 | struct usb_interface_assoc_descriptor *assoc = | 239 | struct usb_interface_assoc_descriptor *assoc = |
241 | usb_ifnum_to_if(dev, ctrlif)->intf_assoc; | 240 | usb_ifnum_to_if(dev, ctrlif)->intf_assoc; |
242 | 241 | ||
@@ -245,21 +244,6 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) | |||
245 | return -EINVAL; | 244 | return -EINVAL; |
246 | } | 245 | } |
247 | 246 | ||
248 | /* FIXME: for now, we expect there is at least one clock source | ||
249 | * descriptor and we always take the first one. | ||
250 | * We should properly support devices with multiple clock sources, | ||
251 | * clock selectors and sample rate conversion units. */ | ||
252 | |||
253 | cs = snd_usb_find_csint_desc(host_iface->extra, host_iface->extralen, | ||
254 | NULL, UAC2_CLOCK_SOURCE); | ||
255 | |||
256 | if (!cs) { | ||
257 | snd_printk(KERN_ERR "CLOCK_SOURCE descriptor not found\n"); | ||
258 | return -EINVAL; | ||
259 | } | ||
260 | |||
261 | chip->clock_id = cs->bClockID; | ||
262 | |||
263 | for (i = 0; i < assoc->bInterfaceCount; i++) { | 247 | for (i = 0; i < assoc->bInterfaceCount; i++) { |
264 | int intf = assoc->bFirstInterface + i; | 248 | int intf = assoc->bFirstInterface + i; |
265 | 249 | ||
@@ -481,6 +465,8 @@ static void *snd_usb_audio_probe(struct usb_device *dev, | |||
481 | goto __error; | 465 | goto __error; |
482 | } | 466 | } |
483 | 467 | ||
468 | chip->ctrl_intf = alts; | ||
469 | |||
484 | if (err > 0) { | 470 | if (err > 0) { |
485 | /* create normal USB audio interfaces */ | 471 | /* create normal USB audio interfaces */ |
486 | if (snd_usb_create_streams(chip, ifnum) < 0 || | 472 | if (snd_usb_create_streams(chip, ifnum) < 0 || |