ALSA: usb-audio: add quirk for Samsung USBC Headset (AKG)

[sfrench/cifs-2.6.git] / sound / usb / quirks.c

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 54d4b4b5bd1124e109cf7dad1524f0f1c02b62ff..fca72730a802ec617f267e858390babe37c56053 100644 (file)
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1674,6 +1674,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
             chip->usb_id == USB_ID(0x0951, 0x16ad)) &&
            (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
                usleep_range(1000, 2000);
+
+       /*
+        * Samsung USBC Headset (AKG) need a tiny delay after each
+        * class compliant request. (Model number: AAM625R or AAM627R)
+        */
+       if (chip->usb_id == USB_ID(0x04e8, 0xa051) &&
+           (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
+               usleep_range(5000, 6000);
 }
 
 /*