Users of devices affected by the Tenor feedback data error report buffer underruns, even with the +/- 0x1.0000 quirk applied. Compensating the error with 0xf000 instead seems to reliably fix that issue. See https://sourceforge.net/p/alsa/mailman/message/35230259/ Reported-and-tested-by: Norman Nolte <norman.nolte@xxxxxxx> Reported-and-tested-by: Thomas Gresens <T.Gresens@xxxxxxxxxxxx> Signed-off-by: Daniel Mack <daniel@xxxxxxxxxx> --- sound/usb/endpoint.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index c317a8d..c470251 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -1174,9 +1174,9 @@ void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, * by +/- 0x1.0000. */ if (f < ep->freqn - 0x8000) - f += 0x10000; + f += 0xf000; else if (f > ep->freqn + 0x8000) - f -= 0x10000; + f -= 0xf000; } else if (unlikely(ep->freqshift == INT_MIN)) { /* * The first time we see a feedback value, determine its format -- 2.5.5 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
