From: Anssi Hannula <anssi.hannula@iki.fi>
Date: Sun, 13 Dec 2015 18:49:59 +0000 (+0200)
Subject: ALSA: usb-audio: Add sample rate inquiry quirk for AudioQuest DragonFly
X-Git-Tag: v4.3.5~116
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6db1818d6eec22a5405a86ff2681241f70aa8b48;p=thirdparty%2Fkernel%2Fstable.git

ALSA: usb-audio: Add sample rate inquiry quirk for AudioQuest DragonFly

commit 12a6116e66695a728bcb9616416c508ce9c051a1 upstream.

Avoid getting sample rate on AudioQuest DragonFly as it is unsupported
and causes noisy "cannot get freq at ep 0x1" messages when playback
starts.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index eef9b8e4b9498..c73c37930ccdb 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1122,6 +1122,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 	case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
 	case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
 	case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
+	case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
 		return true;
 	}
 	return false;