On Tue, Jan 18, 2022 at 08:26:37PM -0500, Peter Geis wrote: > Good Evening, > > I tried using this with a cypress tma448 and thought there was an issue > with the driver. > Further investigation found the tma448 in question had no configuration > burned into it, thus max size and pressure are zero. > > I've added the patch below to extend the driver with device tree > overrides. > Unfortunately device_property_read_u16 is broken on arm64 currently, as > it returns zero. FYI, I replied to your bug report: https://lore.kernel.org/all/CAMdYzYquceSBrOsvO8rW9wmJA_RO=HSwv_waVoS=0hsP414T-A@xxxxxxxxxxxxxx/ Rob