linux-kernel - [PATCH] alsa/usb-audio: Generic DSD detection for Thesycon-based implementations

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Date:   Mon, 23 Jul 2018 01:53:25 -0700
From:   Yue Wang <yuleopen@...il.com>
To:     yuleopen@...il.com
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Jussi Laako <jussi@...arnerd.net>,
        Nobutaka Okabe <nob77413@...il.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Daniel Mack <daniel@...que.org>,
        Ruslan Bilovol <ruslan.bilovol@...il.com>,
        Alberto Aguirre <albaguirre@...il.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH] alsa/usb-audio: Generic DSD detection for Thesycon-based implementations

Thesycon provides solutions to XMOS chips, and has its own device vendor id.

In this patch, we use generic method to detect DSD capability of Thesycon-based UAC2
implementations in order to support a wide range of current and future devices.

The patch will enable the SNDRV_PCM_FMTBIT_DSD_U32_BE bit for the DAC
hence enable native DSD playback up to DSD512 format.

Signed-off-by: Yue Wang <yuleopen@...il.com>
---
 sound/usb/quirks.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 02b6cc02767f..c51e2dee3075 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1374,6 +1374,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 		break;
 
 	case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
+	case USB_ID(0x152a, 0x8750): /* Topping DX7s */
 	case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
 	case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
 	case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
-- 
2.18.0