linux-kernel - [PATCH 5.3 159/163] ALSA: usb-audio: DSD auto-detection for Playback Designs

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Message-Id: <20191104212151.793274768@linuxfoundation.org>
Date:   Mon,  4 Nov 2019 22:45:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jussi Laako <jussi@...arnerd.net>,
        Takashi Iwai <tiwai@...e.de>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 159/163] ALSA: usb-audio: DSD auto-detection for Playback Designs

From: Jussi Laako <jussi@...arnerd.net>

[ Upstream commit eb7505d52a2f8b0cfc3fd7146d8cb2dab5a73f0d ]

Add DSD support auto-detection for newer Playback Designs devices. Older
device generations have a different USB interface implementation.

Keep the auto-detection VID whitelist sorted.

Signed-off-by: Jussi Laako <jussi@...arnerd.net>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/usb/quirks.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index b6f7b13768a10..6f228b4ec8c3e 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1563,7 +1563,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	struct usb_interface *iface;
 
 	/* Playback Designs */
-	if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
+	if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
+	    USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
 		switch (fp->altsetting) {
 		case 1:
 			fp->dsd_dop = true;
@@ -1651,8 +1652,9 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	 * from XMOS/Thesycon
 	 */
 	switch (USB_ID_VENDOR(chip->usb_id)) {
-	case 0x20b1:  /* XMOS based devices */
 	case 0x152a:  /* Thesycon devices */
+	case 0x20b1:  /* XMOS based devices */
+	case 0x23ba:  /* Playback Designs */
 	case 0x25ce:  /* Mytek devices */
 	case 0x2ab6:  /* T+A devices */
 	case 0x3842:  /* EVGA */
-- 
2.20.1