ALSA: usb-audio: add boot quirk for Axe-Fx III
Wait for Axe-Fx III to fully bootup before initializing card.
Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 5681767..f4b6917 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -851,6 +851,36 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
return 0; /* Successful boot */
}
+static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
+{
+ int err;
+
+ dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
+
+ /* If the Axe-Fx III has not fully booted, it will timeout when trying
+ * to enable the audio streaming interface. A more generous timeout is
+ * used here to detect when the Axe-Fx III has finished booting as the
+ * set interface message will be acked once it has
+ */
+ err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
+ 1, 1, NULL, 0, 120000);
+ if (err < 0) {
+ dev_err(&dev->dev,
+ "failed waiting for Axe-Fx III to boot: %d\n", err);
+ return err;
+ }
+
+ dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
+
+ err = usb_set_interface(dev, 1, 0);
+ if (err < 0)
+ dev_dbg(&dev->dev,
+ "error stopping Axe-Fx III interface: %d\n", err);
+
+ return 0;
+}
+
/*
* Setup quirks
*/
@@ -1026,6 +1056,8 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
return snd_usb_fasttrackpro_boot_quirk(dev);
case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
return snd_usb_gamecon780_boot_quirk(dev);
+ case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
+ return snd_usb_axefx3_boot_quirk(dev);
}
return 0;