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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Pavel Hofman <pavel.hofman@ivitera.com>,
        Takashi Iwai <tiwai@suse.de>
Subject: [PATCH 5.7 112/166] ALSA: usb-audio: Add implicit feedback quirk for RTX6001
Date:   Tue, 14 Jul 2020 20:44:37 +0200
Message-Id: <20200714184121.200567985@linuxfoundation.org>
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From: Pavel Hofman <pavel.hofman@ivitera.com>

commit b6a1e78b96a5d7f312f08b3a470eb911ab5feec0 upstream.

USB Audio analyzer RTX6001 uses the same implicit feedback quirk
as other XMOS-based devices.

Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Tested-by: Pavel Hofman <pavel.hofman@ivitera.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/822f0f20-1886-6884-a6b2-d11c685cbafa@ivitera.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -368,6 +368,7 @@ static int set_sync_ep_implicit_fb_quirk
 		goto add_sync_ep_from_ifnum;
 	case USB_ID(0x07fd, 0x0008): /* MOTU M Series */
 	case USB_ID(0x31e9, 0x0002): /* Solid State Logic SSL2+ */
+	case USB_ID(0x0d9a, 0x00df): /* RTX6001 */
 		ep = 0x81;
 		ifnum = 2;
 		goto add_sync_ep_from_ifnum;