On Thu, Oct 28, 2021 at 05:44:37PM +0200, Takashi Iwai wrote: > On Thu, 28 Oct 2021 15:03:25 +0200, > Takashi Sakamoto wrote: > > > > A user reports functional regression for Mackie Onyx 1640i that the device > > generates slow sound with ALSA oxfw driver which supports media clock > > recovery. Although the device is based on OXFW971 ASIC, it does not > > transfer isochronous packet with own event frequency as expected. The > > device seems to adjust event frequency according to events in received > > isochronous packets in the beginning of packet streaming. This is > > unknown quirk. > > > > This commit fixes the regression to turn the recovery off in driver > > side. As a result, nominal frequency is used in duplex packet streaming > > between device and driver. For stability of sampling rate in events of > > transferred isochronous packet, 4,000 isochronous packets are skipped > > in the beginning of packet streaming. > > > > Reference: https://github.com/takaswie/snd-firewire-improve/issues/38 > > Fixes: 029ffc429440 ("ALSA: oxfw: perform sequence replay for media clock recovery") > > Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> > > Thanks, applied. > > > Takashi Oops. I forget to add tag to stable. It's preferable to apply the patch to current stable (5.14.15) and mainline RC (5.15-rc7) as well... Would I request you to post the patch for the purpose alternatively? (It is perhaps too late for mainline, I guess...) Regards Takashi Sakamoto
