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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>
hifive-unleashed-5.1
Alberto Aguirre 2018-05-08 17:14:13 -05:00 committed by Takashi Iwai
parent 08f9f4485f
commit 16bafa792c
1 changed files with 32 additions and 0 deletions
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32
sound/usb/quirks.c
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@ -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;