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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, Justin Song <flyingecar@gmail.com>,
        Takashi Iwai <tiwai@suse.de>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 149/149] ALSA: usb-audio: Add DSD support for Gustard U16/X26 USB Interface
Date:   Mon,  4 Nov 2019 22:45:42 +0100
Message-Id: <20191104212147.114659457@linuxfoundation.org>
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From: Justin Song <flyingecar@gmail.com>

[ Upstream commit e2995b95a914bbc6b5352be27d5d5f33ec802d2c ]

This patch adds native DSD support for Gustard U16/X26 USB Interface.
Tested using VID and fp->dsd_raw method.

Signed-off-by: Justin Song <flyingecar@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/CA+9XP1ipsFn+r3bCBKRinQv-JrJ+EHOGBdZWZoMwxFv0R8Y1MQ@mail.gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/usb/quirks.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 28035c59cb37c..c102c0377ad91 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1434,6 +1434,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case 0x23ba:  /* Playback Designs */
 	case 0x25ce:  /* Mytek devices */
 	case 0x278b:  /* Rotel? */
+	case 0x292b:  /* Gustard/Ess based devices */
 	case 0x2ab6:  /* T+A devices */
 	case 0x3842:  /* EVGA */
 	case 0xc502:  /* HiBy devices */
-- 
2.20.1