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Date:	Mon,  7 Mar 2016 16:03:10 -0800
From:	Greg Kroah-Hartman <>
Cc:	Greg Kroah-Hartman <>,, Dennis Kadioglu <>,
	Takashi Iwai <>
Subject: [PATCH 4.4 45/74] ALSA: usb-audio: Add a quirk for Plantronics DA45

4.4-stable review patch.  If anyone has any objections, please let me know.


From: Dennis Kadioglu <>

commit 17e2df4613be57d0fab68df749f6b8114e453152 upstream.

Plantronics DA45 does not support reading the sample rate which leads
to many lines of "cannot get freq at ep 0x4" and "cannot get freq at
ep 0x84". This patch adds the USB ID of the DA45 to quirks.c and
avoids those error messages.

Signed-off-by: Dennis Kadioglu <>
Signed-off-by: Takashi Iwai <>
Signed-off-by: Greg Kroah-Hartman <>

 sound/usb/quirks.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1124,6 +1124,7 @@ bool snd_usb_get_sample_rate_quirk(struc
 	case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
 	case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
 	case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
+	case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
 	case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
 	case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
 	case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */

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