ALSA: usb-audio: add quirk flag to enable native DSD for McIntosh devices

stable inclusion
from stable-v6.6.1
commit aa771b1e014e74266a3cc2d20b55d61456237a19
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8IKRU

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=aa771b1e014e74266a3cc2d20b55d61456237a19



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commit 99248c8902f505ec064cf2b0f74629016f2f4c82 upstream.

McIntosh devices supporting native DSD require the feature to be
explicitly exposed. Add a flag that fixes an issue where DSD audio was
defaulting to DSD over PCM instead of delivering raw DSD data.

Signed-off-by: Max McCarthy <mmccarthy@mcintoshlabs.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/BL0PR13MB4433226005162D186A8DFF4AD6DFA@BL0PR13MB4433.namprd13.prod.outlook.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>