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Commit b3653503 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Greg Kroah-Hartman
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ALSA: usb-audio: work around corrupted TEAC UD-H01 feedback data



commit 7040b6d1febfdbd9c1595efb751d492cd2503f96 upstream.

The TEAC UD-H01 firmware sends wrong feedback frequency values, thus
causing the PC to send the samples at a wrong rate, which results in
clicks and crackles in the output.

Add a workaround to detect and fix the corruption.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
[mick37@gmx.de: use sender->udh01_fb_quirk rather than
 ep->udh01_fb_quirk in snd_usb_handle_sync_urb()]
Reported-and-tested-by: default avatarMick <mick37@gmx.de>
Reported-and-tested-by: default avatarAndrea Messa <andr.messa@tiscali.it>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ce9f1d76
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