On Sat, 29 Feb 2020 16:18:15 +0100, Alexander Tsoy wrote: > > MicroBook IIc operates in UAC2 mode by default. This patch addresses > several issues with it: > > - MicroBook II and IIc shares the same USB ID. We can distinguish them > by interface class. > - MaxPacketsOnly attribute is erroneously set in endpoint descriptors. > As a result this card produces noise with all sample rates other than > 96 KHz. This also causes issues like IOMMU page faults and other > problems with host controller. > - Sample rate changes takes more than 2 seconds for this device. Clock > validity request returns false during that period, so the clock validity > quirk is required. > > Signed-off-by: Alexander Tsoy <alexander@xxxxxxx> Applied now. Thanks. Takashi
