From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yue Wang Subject: [PATCH] alsa/usb-audio: Generic DSD detection for Thesycon-based implementations Date: Mon, 23 Jul 2018 01:56:46 -0700 Message-ID: <20180723085647.49537-1-yuleopen@gmail.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: yuleopen@gmail.com, Jaroslav Kysela , Takashi Iwai , Jussi Laako , Nobutaka Okabe , Kai-Heng Feng , Daniel Mack , Ruslan Bilovol , Alberto Aguirre , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org 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 --- sound/usb/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 02b6cc02767f..06ae3f5adf4b 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1443,6 +1443,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, */ switch (USB_ID_VENDOR(chip->usb_id)) { case 0x20b1: /* XMOS based devices */ + case 0x152a: /* Thesycon devices */ case 0x25ce: /* Mytek devices */ if (fp->dsd_raw) return SNDRV_PCM_FMTBIT_DSD_U32_BE; -- 2.18.0