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Commit f6fb2896 authored by Jurgen Kramer's avatar Jurgen Kramer Committed by Greg Kroah-Hartman
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ALSA: usb-audio: Add ctrl message delay quirk for Marantz/Denon devices



commit 6e84a8d7ac3ba246ef44e313e92bc16a1da1b04a upstream.

This patch adds a USB control message delay quirk for a few specific Marantz/Denon
devices. Without the delay the DACs will not work properly and produces the
following type of messages:

Nov 15 10:09:21 orwell kernel: [   91.342880] usb 3-13: clock source 41 is not valid, cannot use
Nov 15 10:09:21 orwell kernel: [   91.343775] usb 3-13: clock source 41 is not valid, cannot use

There are likely other Marantz/Denon devices using the same USB module which exhibit the
same problems. But as this cannot be verified I limited the patch to the devices
I could test.

The following two devices are covered by this path:
- Marantz SA-14S1
- Marantz HD-DAC1

Signed-off-by: default avatarJurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b248afd9
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