[PATCH 4/4] spi: bcm2835aux: fix CPOL/CPHA setting
info at lategoodbye.de
Tue Feb 9 12:21:15 PST 2016
Am 09.02.2016 um 19:10 schrieb stephanolbrich at gmx.de:
> From: Stephan Olbrich <stephanolbrich at gmx.de>
> The auxiliary spi supports only CPHA=0 modes as the first bit is
> always output to the pin before the first clock cycle. In CPHA=1
> modes the first clock edge outputs the second bit hence the slave
> can never read the first bit.
in case auxiliary spi isn't able to handle all modes shouldn't we report
this to the upper layers?
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