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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, Udo Eberhardt <udo.eberhardt@thesycon.de>,
        Takashi Iwai <tiwai@suse.de>
Subject: [PATCH 4.20 315/352] ALSA: usb-audio: Add support for new T+A USB DAC
Date:   Mon, 11 Feb 2019 15:19:02 +0100
Message-Id: <20190211141906.860312382@linuxfoundation.org>
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4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Udo Eberhardt <udo.eberhardt@thesycon.de>

commit 3bff2407fbd28fd55ad5b5cccd98fc0c9598f23b upstream.

This patch adds the T+A VID to the generic check in order to enable
native DSD support for T+A devices. This works with the new T+A USB
DAC model SD3100HV and will also work with future devices which
support the XMOS/Thesycon style DSD format.

Signed-off-by: Udo Eberhardt <udo.eberhardt@thesycon.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1448,6 +1448,7 @@ u64 snd_usb_interface_dsd_format_quirks(
 	case 0x20b1:  /* XMOS based devices */
 	case 0x152a:  /* Thesycon devices */
 	case 0x25ce:  /* Mytek devices */
+	case 0x2ab6:  /* T+A devices */
 		if (fp->dsd_raw)
 			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
 		break;