On Thu, Jul 02, 2020 at 10:39:11AM +1200, Chris Packham wrote: > The PCA9665 datasheet says that I2CSTA = 78h indicates that SCL is stuck > low, this differs to the PCA9564 which uses 90h for this indication. > Treat either 0x78 or 0x90 as an indication that the SCL line is stuck. > > Based on looking through the PCA9564 and PCA9665 datasheets this should > be safe for both chips. The PCA9564 should not return 0x78 for any valid > state and the PCA9665 should not return 0x90. > > Signed-off-by: Chris Packham Applied to for-current, thanks!