Messages in this thread | | | From | Laurent Pinchart <> | Subject | Re: PCF857x and 16-bit GPIO expanders | Date | Wed, 18 Sep 2013 19:18:04 +0200 |
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On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: > On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi <balbi@ti.com> wrote: > > has anyone ever successfully using gpio-pcf857x.c driver with 16-bit > > gpio expanders ? We're having some issues here where toggling the last > > gpio pin (gpio 15) on a PCF8575 device causes platform to hang and I > > can't come up with any explanation of why would it hang... > > Bouncing the question to George, Laurent and Kuninori...
I've got a board with a PCF8575 chip, but it uses I/Os 8 to 14 only as far as I know.
I can try toggling I/O 15, but that will need to wait until next week as I'm currently travelling without access to the hardware.
-- Regards,
Laurent Pinchart
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