Hi Honza > If I understand it right, it uses SPI bus also for passing transport stream > to the host system (also having some pid piltering inside!), isn't it? > It would be interesting to know what is the max throughput of the CXD's SPI? Yes, max clock rate of spi is written in sony-cxd2880.txt of [patch v4 01/12]. spi-max-frequency = <55000000>; /* 55MHz */ Takiguchi