&& (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