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ALSA: usb-audio: correct speed checking 

Allow handling SS+ USB devices correctly.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Oliver Neukum 2016-05-04 14:18:39 +02:00 committed by Takashi Iwai
parent dcd4f0db61
commit 748a1ccc43
2 changed files with 5 additions and 0 deletions
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4
sound/usb/card.c
View File

@ -351,6 +351,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
case USB_SPEED_HIGH:
case USB_SPEED_WIRELESS:
case USB_SPEED_SUPER:
case USB_SPEED_SUPER_PLUS:
break;
default:
dev_err(&dev->dev, "unknown device speed %d\n", snd_usb_get_speed(dev));
@ -451,6 +452,9 @@ static int snd_usb_audio_create(struct usb_interface *intf,
case USB_SPEED_SUPER:
strlcat(card->longname, ", super speed", sizeof(card->longname));
break;
case USB_SPEED_SUPER_PLUS:
strlcat(card->longname, ", super speed plus", sizeof(card->longname));
break;
default:
break;
}

1
sound/usb/helper.c
View File

@ -120,6 +120,7 @@ unsigned char snd_usb_parse_datainterval(struct snd_usb_audio *chip,
case USB_SPEED_HIGH:
case USB_SPEED_WIRELESS:
case USB_SPEED_SUPER:
case USB_SPEED_SUPER_PLUS:
if (get_endpoint(alts, 0)->bInterval >= 1 &&
get_endpoint(alts, 0)->bInterval <= 4)
return get_endpoint(alts, 0)->bInterval - 1;