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Adrian Ratiu 01b3661663 sound: usb: enable DSD output for ddHiFi TC44C 
[ Upstream commit c84bd6c810 ]

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@collabora.com>
Link: https://patch.msgid.link/20241209090529.16134-1-adrian.ratiu@collabora.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-01-09 13:28:48 +01:00
arch x86/hyperv: Fix hv tsc page based sched_clock for hibernation 2025-01-09 13:28:42 +01:00
block blk-iocost: Avoid using clamp() on inuse in __propagate_weights() 2024-12-19 18:07:21 +01:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY 2024-12-14 19:50:44 +01:00
Documentation Documentation: PM: Clarify pm_runtime_resume_and_get() return value 2024-12-19 18:07:21 +01:00
drivers drm/amdkfd: Correct the migration DMA map direction 2025-01-09 13:28:48 +01:00
fs btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount 2025-01-09 13:28:48 +01:00
include af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK 2025-01-09 13:28:47 +01:00
init initramfs: avoid filename buffer overrun 2024-12-14 19:50:42 +01:00
io_uring io_uring: fix possible deadlock in io_register_iowq_max_workers() 2024-11-17 15:06:25 +01:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel tracing: Have process_string() also allow arrays 2025-01-09 13:28:43 +01:00
lib lib: stackinit: hide never-taken branch from compiler 2025-01-09 13:28:41 +01:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm vmalloc: fix accounting with i915 2025-01-09 13:28:40 +01:00
net wifi: mac80211: wake the queues in case of failure in resume 2025-01-09 13:28:48 +01:00
samples samples/bpf: Fix a resource leak 2024-12-14 19:51:36 +01:00
scripts modpost: Add .irqentry.text to OTHER_SECTIONS 2024-12-14 19:51:43 +01:00
security selinux: ignore unknown extended permissions 2025-01-09 13:28:42 +01:00
sound sound: usb: enable DSD output for ddHiFi TC44C 2025-01-09 13:28:48 +01:00
tools objtool/x86: allow syscall instruction 2024-12-19 18:07:22 +01:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-10-22 15:40:41 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-17 15:11:10 +02:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.175 2024-12-19 18:07:23 +01:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.