linux-kernel - Re: [PATCH v2 1/2] sound: usb: enable DSD output for ddHiFi TC44C

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Message-ID: <87v7vt5g8j.wl-tiwai@suse.de>
Date: Mon, 09 Dec 2024 10:59:40 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Adrian Ratiu <adrian.ratiu@...labora.com>
Cc: Takashi Iwai <tiwai@...e.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel@...labora.com
Subject: Re: [PATCH v2 1/2] sound: usb: enable DSD output for ddHiFi TC44C

On Mon, 09 Dec 2024 10:05:28 +0100,
Adrian Ratiu wrote:
> 
> This is a UAC 2 DAC capable of raw DSD on intf 2 alt 4:
> 
> Bus 007 Device 004: ID 262a:9302 SAVITECH Corp. TC44C
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          239 Miscellaneous Device
>   bDeviceSubClass         2 [unknown]
>   bDeviceProtocol         1 Interface Association
>   bMaxPacketSize0        64
>   idVendor           0x262a SAVITECH Corp.
>   idProduct          0x9302 TC44C
>   bcdDevice            0.01
>   iManufacturer           1 DDHIFI
>   iProduct                2 TC44C
>   iSerial                 6 5000000001
> .......
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        2
>       bAlternateSetting       4
>       bNumEndpoints           2
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      32
>       iInterface              0
> 	AudioStreaming Interface Descriptor:
>           bLength                16
>           bDescriptorType        36
>           bDescriptorSubtype     1 (AS_GENERAL)
>           bTerminalLink          3
>           bmControls             0x00
>           bFormatType            1
>           bmFormats              0x80000000
>           bNrChannels            2
>           bmChannelConfig        0x00000000
>           iChannelNames          0
> .......
> 
> Signed-off-by: Adrian Ratiu <adrian.ratiu@...labora.com>

Applied both patches now.  Thanks.


Takashi