On Tue, 26 Jan 2016 00:28:27 +0100, Guillaume Fougnies wrote:
ALSA: usb: Fix TEAC UD-501/UD-503/NT-503 usb delay
TEAC UD-501/UD-503/NT-503 fail to switch properly between different rate/format. Similar to 'Playback Design', this patch corrects the invalid clock source error for TEAC products and avoids complete freeze of the usb interface of 503 series.
Signed-off-by: Guillaume Fougnies guillaume@eulerian.com
Applied, thanks.
Takashi
sound/usb/quirks.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 23ea6d8..a75d9ce 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1205,8 +1205,12 @@ void snd_usb_set_interface_quirk(struct usb_device *dev) * "Playback Design" products need a 50ms delay after setting the * USB interface. */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)
- switch (le16_to_cpu(dev->descriptor.idVendor)) {
- case 0x23ba: /* Playback Design */
- case 0x0644: /* TEAC Corp. */ mdelay(50);
break;- }
}
void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, @@ -1221,6 +1225,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) mdelay(20);
- /*
* "TEAC Corp." products need a 20ms delay after each* class compliant request*/- if ((le16_to_cpu(dev->descriptor.idVendor) == 0x0644) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)mdelay(20);- /* Marantz/Denon devices with USB DAC functionality need a delay
*/
- after each class compliant request
-- 2.7.0.rc3