From 7a2e9ddc903225d8fb3a510a842144a239017ee4 Mon Sep 17 00:00:00 2001 From: Jurgen Kramer Date: Fri, 28 Nov 2014 17:32:53 +0100 Subject: [PATCH] ALSA: usb-audio: Add native DSD support for Denon/Marantz DACs This patch adds native DSD support for the following devices: - Marantz SA-14S1 - Marants HD-DAC1 Signed-off-by: Jurgen Kramer Signed-off-by: Takashi Iwai --- sound/usb/quirks.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 2c1018e447b1..a9d4add89bbe 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1213,5 +1213,16 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, break; } + /* Denon/Marantz devices with USB DAC functionality */ + switch (chip->usb_id) { + case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ + case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ + if (fp->altsetting == 2) + return SNDRV_PCM_FMTBIT_DSD_U32_BE; + break; + default: + break; + } + return 0; } -- 2.20.1