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-rw-r--r--sound/usb/quirks.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 737b2729c0d3..0864692d8a7b 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1670,6 +1670,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
msleep(20);
+ /*
+ * Plantronics C320-M needs a delay to avoid random
+ * microhpone failures.
+ */
+ if (chip->usb_id == USB_ID(0x047f, 0xc025) &&
+ (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
+ msleep(20);
+
/* Zoom R16/24, many Logitech(at least H650e/H570e/BCC950),
* Jabra 550a, Kingston HyperX needs a tiny delay here,
* otherwise requests like get/set frequency return