]> git.baikalelectronics.ru Git - kernel.git/commit
ALSA: usb: add UAC3 BADD profiles support
authorRuslan Bilovol <ruslan.bilovol@gmail.com>
Fri, 4 May 2018 01:24:04 +0000 (04:24 +0300)
committerTakashi Iwai <tiwai@suse.de>
Sun, 13 May 2018 06:54:35 +0000 (08:54 +0200)
commit6c95e6e1187e05c66bf0937372e3e2b878019f27
treef7eac9dcff74c160bc43f1a032b5d15647fbe1d8
parentaa767b5fb40ebd79371925d3c7b70078f132c525
ALSA: usb: add UAC3 BADD profiles support

Recently released USB Audio Class 3.0 specification
contains BADD (Basic Audio Device Definition) document
which describes pre-defined UAC3 configurations.

BADD support is mandatory for UAC3 devices, it should be
implemented as a separate USB device configuration.
As per BADD document, class-specific descriptors
shall not be included in the Device’s Configuration
descriptor ("inferred"), but host can guess them
from BADD profile number, number of endpoints and
their max packed sizes.

This patch adds support of all BADD profiles from the spec

Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Tested-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/card.c
sound/usb/clock.c
sound/usb/mixer.c
sound/usb/mixer_maps.c
sound/usb/stream.c
sound/usb/usbaudio.h