On Tuesday 15 April 2008, Luís Vitório Cargnini wrote:
>
> excuse me now I saw I just put the wrong value in set_direction
> omap_set_gpio_direction(8,1);
>
> must be
> omap_set_gpio_direction(8,0);
This is one of *many* reasons to avoid using those
legacy GPIO calls. If you had written
gpio_direction_input(8)
instead of that first call, the issue would have been obvious. :)
if (gpio_request(8, "signal_name") == 0)
gpio_direction_output(8, 1 /* initial value */);
else
/* ERROR */ ;
Note that /sys/kernel/debug/gpio shows GPIO status,
assuming you have debugfs mounted in the normal way.
- Dave
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